Class 9 Chemistry MCQs Tests


Class 9 Chemistry MCQs Tests

This page contains all the online tests for Class 9 Chemistry MCQs. Students should do the practice of all these tests for getting good marks in FBISE board exams.



Chapter 1


Atomic Numbers and Atomic Masses
Practice MCQs Test No 1
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16

Class 9 Chemistry

Chapter 1

Atomic Numbers and Atomic Masses

MCQs Test No 1

1 / 10

Atomic number of Oxygen is 8, its atomic mass is:

2 / 10

The symbol of Sodium is:

3 / 10

The atomic mass of Sodium is 23, its atomic number is:

4 / 10

The atomic number of Helium (He) is:

5 / 10

The atomic mass of Carbon is:

6 / 10

The atomic number and atomic mass of Magnesium are ______ and _______.

7 / 10

Atomic number, atomic mass and Symbol of Potassium are:

8 / 10

The nitrogen has 7 protons in its nucleus, its atomic number is:

9 / 10

The symbol of Hydrogen is H, its atomic number is 1, and its atomic mass is:

10 / 10

Atomic number of Aluminum is 13, its atomic mass is:

Your score is

The average score is 71%

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Practice MCQs Test No 2
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6

Class 9 Chemistry

Chapter 1

Branches of Chemistry

Practice MCQs Test 2

1 / 16

Element radium decays by emitting α-particles and is converted into another element radon.

2 / 16

White lead is a pigment used by artists for centuries, the metal Pb in the compound is extracted from its ore, galena (PbS).

3 / 16

Gases can be compressed by applying pressure.

4 / 16

Haber’s process converts large quantities of hydrogen and nitrogen into ammonia (NH3 ).

5 / 16

An analyst determines that NO2 is responsible for acid rain.

6 / 16

Hair contain a special class of proteins called keratins, which are present in nails and wool. Proteins contain chains of C-atoms.

7 / 16

Acetylene is the simplest hydrocarbon that contains a carbon-carbon triple bond. Hydrocarbons are the compounds of carbon and hydrogen.

8 / 16

Sulphuric acid (H2 SO4) is extremely corrosive to skin.

9 / 16

Photosynthesis produces glucose and oxygen from carbon dioxide and water in presence of chlorophyll and sunlight.

10 / 16

Calorimeter is a device that measures the amount of heat, a substance absorbs on heating or emits on cooling.

11 / 16

A chemist performed an experiment to check the percentage purity of a sample of glucose (C6 H12 O6).

12 / 16

α-particles (He++) when bombard on nitrogen atom, a proton is emitted.

13 / 16

Some examples of complete protein food are meat, milk, and eggs.

14 / 16

Plantation helps in overcoming the greenhouse effect.

15 / 16

Chlorofluorocarbon compounds are responsible for the depletion of ozone layer.

16 / 16

Ammonia is a colourless gas with a pungent irritating odour. It is highly soluble in water.

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Practice MCQs Test No 3
0

Class 9 Chemistry

Chapter 1

Branches of Chemistry

Practice MCQs Test 3

1 / 10

Gasoline (a mixture of hydrocarbons) fumes are ignited in an automobile engine.

2 / 10

Many other light chlorinated hydrocarbons in drinking water are carcinogens.

3 / 10

A cornstalk grows from a seed.

4 / 10

Dynamite (C3 H5 N3 O9) explodes to form a mixture of gases.

5 / 10

In Pakistan, most of the factories use wet process for the production of cement.

6 / 10

Sulphur dioxide is the major source of acid rain.

7 / 10

Ice floats on water.

8 / 10

Purple iodine vapour appears when solid iodine is warmed.

9 / 10

A silver article tarnishes in air.

10 / 10

Carbon-14 is continuously produced in the atmosphere when high energy neutrons from space collide with nitrogen-14.

Your score is

The average score is 0%

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Practice MCQs Test No 4
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1

Class 9 Chemistry

Chapter 1

Practice MCQs Test No 4

1 / 10

How many moles of Na atoms are present in 2.3 g of Na?

2 / 10

Which of the following is the correct empirical formula of C6H4O(NO2)3?

3 / 10

A compound with chemical formula Na2CX3 has formula mass 106 amu. What is the atomic mass of the element X?  [Atomic Masses: C=12, Na=23]

4 / 10

0.25 moles of SO2 will contain:

5 / 10

How many atoms are there in 1.25 moles of Zinc?

6 / 10

If molar mass of a compound is 90 g/mole, the number of its moles containing 3.011×1023 molecules will be:

7 / 10

A compound with chemical formula BaSX4 has a formula mass 233 amu. Atomic mass of the element X is:

8 / 10

Atomic masses of H and O are 1 amu and 16 amu respectively. The molecular mass of hydrogen peroxide (H2O2) is:

9 / 10

The empirical formula for caffeine (C8H10N4O2) is:

10 / 10

How many atoms are there in 0.1 moles of Carbon?

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Chapter 2

Practice MCQs Test No 1
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2

Class 9 Chemistry

Chapter 2

Practice MCQs Test No 1

1 / 13

Carbon has __________ isotopes.

2 / 13

According to Bohr atomic model:

3 / 13

Chlorine has two isotopes, both of which have:

4 / 13

Number of neutrons in 27M13 are:

5 / 13

Identify the number of electrons that f-sub shell can accommodate.

6 / 13

11Na has electronic configuration:

7 / 13

A sub-shell that can accommodate 6 electrons is:

8 / 13

Keeping in view Auf Bau Principle, identify the energy level which the elements fill first.

9 / 13

Which one of the following sub shell is filled after filling of 3p sub shell?

10 / 13

M shell has sub-shells:

11 / 13

Which of the following is a defect of Rutherford atomic model?

12 / 13

Rutherford used _____ particles in his experiments.

13 / 13

Value of Plank’s constant is:

Your score is

The average score is 65%

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Practice MCQs Test No 2
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1

Class 9 Chemistry

Chapter 2

Practice MCQs Test No 2

1 / 14

The nuclear energy released by the fission of one kilogram of uranium–235 is equivalent to chemical energy produced by burning more than:

2 / 14

Which isotope of Uranium is rare?

3 / 14

The fission of uranium–235 yields:

4 / 14

Chemical properties of an element depend upon the number of:

5 / 14

When Uranium-238 decays into Thorium-234, it emits:

6 / 14

As the value of n increases: 

7 / 14

Which isotope is commonly used to irradiate cancer cells?

8 / 14

Identify the isotope used as a Tracer in diagnosing Thyroid problem:

9 / 14

Which of the following statement is not correct about isotopes?

10 / 14

Which isotope is used in nuclear reactors?

11 / 14

Which isotope is used to trace the path of carbon in photosynthesis?

12 / 14

_______ do not take part in ordinary chemical reactions.

13 / 14

Isotopes of an element have similar:

14 / 14

Which of the following isotopes is used to trace the flow of blood and detect possible constrictions or obstructions in the circulatory system?

Your score is

The average score is 35%

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Practice MCQs Test No 3
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1

Class 9 Chemistry

Chapter 2

Practice MCQs Test No 3

1 / 15

The word isotopes was first used by scientist

2 / 15

Electrons revolve only in those orbits with angular momentum as an

3 / 15

The value of Planks constant is

4 / 15

Which carbon is not black in colour?

5 / 15

TRITIUM has number of neutrons

6 / 15

When an electron changes its orbit from higher to lower, energy is

7 / 15

_________ is highly inflammable gas.

8 / 15

The energy of an electron in an orbit is proportional to

9 / 15

Almost entire mass of an atom is concentrated in the

10 / 15

Rutherford use ________ as a source of alpha particles.

11 / 15

Maximum number of electrons in a shell can be calculated by

12 / 15

Which of the following is a defect of Rutherford atomic model?

13 / 15

Formula for heavy water is:

14 / 15

All the isotopes of carbon are _______ in water.

15 / 15

Alpha particles which were deflected backward in Rutherford's experiment were hit upon by

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Practice MCQs Test No 4
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2

Class 9 Chemistry

Chapter 2

Practice MCQs Test No 4

1 / 15

_{ 17 }^{ 37 }{ Cl } has how many protons?

2 / 15

Which of the following is true about the isotopes?

3 / 15

An element is placed in second period of periodic table and have six protons and six neutrons in its nucleus. The element is _____.

4 / 15

Maximum number of electrons in d sub shell are:

5 / 15

An element has two protons in its nucleus. The symbol of the element is _____.

6 / 15

Atomic number of Na is 11. electronic configuration of the Na is _____.

7 / 15

Sub shells are also called as:

8 / 15

According to 2n2 rule, L-Shell contains maximum___ electrons.

9 / 15

Which isotope can be used for radiotherapy for cancer patients?

10 / 15

Correct increasing order of energy of sub shell is:

11 / 15

Electronic configuration for an element is as shown. 1s2, 2s2, 2p6, 3s2, 3p5 . Which of the following is correct regarding this electronic arrangement?

12 / 15

Energy released by the isotopes uranium - 235 is due to the process:

13 / 15

Electronic configuration of an element is as shown: 1s2, 2s2, 2p6, 3s2, 3p5 Identify the element which contains this electronic configuration.

14 / 15

We can compare the activity of isotopes of carbon from skull and jaw bones of dead organism.

15 / 15

Which of the following isotopes of uranium is most abundant?

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Chapter 3


Practice MCQs Test No 1
2

Class 9 Chemistry

Chapter 3

Practice MCQs Test No 1

1 / 20

On the basis of outermost valence sub-shell, elements in the periodic table can also be classified into:

2 / 20

Elements of Group IA and Group IIA contain their valence electrons in:

3 / 20

Atomic number was discovered by:

4 / 20

Number of periods in the Periodic table are:

5 / 20

Metallic elements in Group 1A are called:

6 / 20

The horizontal rows of the periodic table are called:

7 / 20

By the end of 18th century, _______ elements were known.

8 / 20

Group IIA elements are called:

9 / 20

Group B elements are called:

10 / 20

First _____ periods are called short periods.

11 / 20

The Group VIIIA elements are called:

12 / 20

A table showing systematic arrangement of elements is called:

13 / 20

The atomic number was discovered in:

14 / 20

Each vertical column of elements in the periodic table is called a:

15 / 20

By 1925, ____ elements were known.

16 / 20

Elements are arranged in the order of increasing:

17 / 20

Elements with similar valance shell electronic configuration are placed in the same:

18 / 20

Group A elements are called:

19 / 20

The elements of Group VIIA are called:

20 / 20

Last _____ periods are long periods.

Your score is

The average score is 73%

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Practice MCQs Test No 2
1

Class 9 Chemistry

Chapter 3

Practice MCQs Test 2

1 / 20

Physical properties depend on the:

2 / 20

Across a period (left to right), shielding effect _____.

3 / 20

John Newland found the similarity in properties of every ________ element.

4 / 20

Which of the elements are not p-block representative elements?

5 / 20

The number of elements in the first period is _____.

6 / 20

Elements in the same vertical group of the periodic table have same _____.

7 / 20

The number of electrons in the valence shell of halogens are _____.

8 / 20

The number of electrons in the valence shell of alkali metals is _____

9 / 20

__________ of element indicates the number of electrons in the valence shell.

10 / 20

Which of the following has the highest shielding effect?

11 / 20

The horizontal rows in a periodic table are known as _____.

12 / 20

____________ of element indicates n value of the valence shell.

13 / 20

Element having configuration 1s2 belongs to group:

14 / 20

Which of the following has the lowest shielding effect?

15 / 20

What is the period number of Nitrogen -7 ?

16 / 20

Valence shell configuration of Na is:

17 / 20

Because all the elements of a particular group have similar valence shell electronic configuration, they possess similar:

18 / 20

The elements of B-group are called _____.

19 / 20

Chemical properties depend on the:

20 / 20

The elements of Group IIIA to VIIIA (except He) are known as:

Your score is

The average score is 95%

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Practice MCQs Test No 3
/15
1

Class 9 Chemistry

Chapter 3

Practice MCQs Test No 3

1 / 15

Which of the elements are not p-block representative elements?

2 / 15

The horizontal rows in a periodic table are known as _____.

3 / 15

Atomic number is discovered by

4 / 15

Valence shell configuration of Na is

5 / 15

Element having configuration 1s2 belongs to group

6 / 15

The number of electrons in the valence shell of halogens are _____.

7 / 15

The number of elements in the first period is _____.

8 / 15

Which of the following has the lowest shielding effect?

9 / 15

What is the period number of Nitrogen -7 ?

10 / 15

Which of the following has the highest shielding effect?

11 / 15

John Newland found the similarity in properties of every ------ element.

12 / 15

The elements of B-group are called _____.

13 / 15

Across a period (left to right), shielding effect _____.

14 / 15

The number of electrons in the valence shell of alkali metals is _____.

15 / 15

Elements in the same vertical group of the periodic table have same _____.

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Practice MCQs Test No 4
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2

Class 9 Chemistry

Chapter 3

Practice MCQs Test No 4

1 / 15

The state required for Chlorine to release energy and form a uninegative ion is _____.

2 / 15

Element in group II A with smallest atomic radius is _____.

3 / 15

Arrange the elements in decreasing ionization energy.

4 / 15

Which element has the highest electronegativity?

5 / 15

Electronegativity refers to _____.

6 / 15

Electron affinity involves _____.

7 / 15

Atomic radii decreases because of

8 / 15

In general, ionization energy _____ going bottom to top within a group in the periodic table.

9 / 15

Negative sign is given to electron affinity because energy is _____.

10 / 15

Ionization energy is measured in _____.

11 / 15

When atomic radius increases, electron affinity _____.

12 / 15

Which of the following has the highest electron affinity?

13 / 15

Which of these represents an element with a large electron affinity?

14 / 15

Ionization results in the ejection of _____.

15 / 15

Ionization energy is a/an _____.

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Chapter 4


Practice MCQs Test No 1
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1

Class 9 Chemistry

Chapter 4

Practice MCQs Test No 1

1 / 16

The covalent bond is formed by:

2 / 16

Hydrogen bonding is involved in:

3 / 16

Silicon belongs to Group IVA. It has ______ electrons in the valence shell.

4 / 16

Phosphorus belongs to third period of Group VA. How many electrons it needs to complete its valence shell?

5 / 16

Which of the following atoms obey duplet rule?

6 / 16

The melting point and boiling pint of water are higher due to:

7 / 16

Which of the following is not true about the formation of Na2S?

8 / 16

Identify the covalent compound:

9 / 16

Which of the following atoms will form an ion of charge -2?

10 / 16

Which of the following atoms will form cation?

11 / 16

Which of the following molecules has triple covalent bond between its atoms?

12 / 16

In Hydrogen Iodide (HI), the bond is:

13 / 16

The bond which is formed by complete transfer of electrons from one atom to another is called:

14 / 16

Which of the following substance has ionic bond?

15 / 16

In the formation of AlF3, aluminum atom loses _____________ electrons.

16 / 16

Which of the following atoms will not form cation or anion?

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Practice MCQs Test No 2
/16
2

Class 9 Chemistry

Chapter 4

Practice MCQs Test No 2

1 / 16

Atoms other than the noble gases are reactive because they tend to gain stability by:

2 / 16

Which one of the following compounds is not having an ionic bond?

3 / 16

The noble gases are sometimes called the:

4 / 16

In forming compounds, atoms tend to gain electronic configuration of a:

5 / 16

In a covalent bond, the atom that contributes more electrons for sharing is the:

6 / 16

Ionic compounds as a whole are:

7 / 16

Due to high ionization energies, which element do NOT lose electron?

8 / 16

Which substance is NOT covalent?

9 / 16

Which of the following elements will gain one electron to complete its octet?

10 / 16

Which substance does not have ionic bond?

11 / 16

Pairs of valence electrons which are not shared between atoms are called:

12 / 16

When atoms gain or lose electron they acquire the configuration of:

13 / 16

The metal atoms form:

14 / 16

Which one of the following molecules has a non-polar covalent bond?

15 / 16

Non-metal atoms form:

16 / 16

Which of the following makes hydrogen very electron-deficient?

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Challenge MCQs Test
/32
1

Class 9 Chemistry

Chapter 4

Challenge MCQs Test

1 / 32

Which one of the following compounds is not having an ionic bond?

2 / 32

Pairs of valence electrons which are not shared between atoms are called:

3 / 32

Which of the following molecules has triple covalent bond between its atoms?

4 / 32

Silicon belongs to Group IVA. It has ______ electrons in the valence shell.

5 / 32

Which of the following makes hydrogen very electron-deficient?

6 / 32

Which substance does not have ionic bond?

7 / 32

The bond which is formed by complete transfer of electrons from one atom to another is called:

8 / 32

The noble gases are sometimes called the:

9 / 32

Which of the following atoms will form cation?

10 / 32

Phosphorus belongs to third period of Group VA. How many electrons it needs to complete its valence shell?

11 / 32

Which of the following is not true about the formation of Na2S?

12 / 32

When atoms gain or lose electron they acquire the configuration of:

13 / 32

Non-metal atoms form:

14 / 32

The melting point and boiling pint of water are higher due to:

15 / 32

The covalent bond is formed by:

16 / 32

Which of the following atoms will form an ion of charge -2?

17 / 32

Which substance is NOT covalent?

18 / 32

In forming compounds, atoms tend to gain electronic configuration of a:

19 / 32

Which of the following substance has ionic bond?

20 / 32

Due to high ionization energies, which element do NOT lose electron?

21 / 32

Atoms other than the noble gases are reactive because they tend to gain stability by:

22 / 32

Which one of the following molecules has a non-polar covalent bond?

23 / 32

Hydrogen bonding is involved in:

24 / 32

Identify the covalent compound:

25 / 32

In a covalent bond, the atom that contributes more electrons for sharing is the:

26 / 32

Ionic compounds as a whole are:

27 / 32

In the formation of AlF3, aluminum atom loses _____________ electrons.

28 / 32

The metal atoms form:

29 / 32

In Hydrogen Iodide (HI), the bond is:

30 / 32

Which of the following atoms will not form cation or anion?

31 / 32

Which of the following atoms obey duplet rule?

32 / 32

Which of the following elements will gain one electron to complete its octet?

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Chapter 5


Practice MCQs Test No 1
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10

Class 9 Chemistry
Chapter 5
Practice MCQs Test No 1

1 / 10

Melting points of amorphous solid will be in _____.

2 / 10

_____ phase of physical states that can never be achieved in sublimation process.

3 / 10

Liquids with weak intermolecular forces

4 / 10

Evaporation causes _____ effect ,due to this effect water is contained in the pitcher.

5 / 10

Sublimation is usually used to purify _____ state of matter.

6 / 10

As pressure decreases, boiling point ___

7 / 10

Water bubbles arising in the beaker provided with the temperature of 100 °C  is an example of _____.

8 / 10

Which of the following changes decrease the vapour pressure of water kept in a sealed vessel?

9 / 10

By touch, glass imparts a hard appearance but microscopically atoms may be _____ arranged.

10 / 10

The boiling point of water is 100 °C, where internal vapour pressure becomes equal to atmospheric pressure. What is that atmospheric pressure?

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Practice MCQs Test No 2
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8

Class 9 Chemistry
Chapter 5
Practice MCQs Test No 2

1 / 10

Amount of vapour pressure of liquid decreases _______

2 / 10

Melting points of crystalline solids are _____ due to strong intermolecular forces existing .

3 / 10

The particles in ___ are always vibrating, but don't move past each other.

4 / 10

When the atmospheric pressure equals the equilibrium vapor pressure ___ occurs.

5 / 10

Statement related to process of evaporation that is incorrect is _____.

6 / 10

________ is usually used to purify liquids.

7 / 10

Identify the figure (a) and ( b)

Question Image

8 / 10

Which figure has a repetitive pattern in its structure?

Question Image

9 / 10

A person living in hill stations observed that cooking food without using pressure cooker takes more time. The reason for this observation is that at high altitude_____

10 / 10

If surface area of liquid is large then evaporation will be _____.

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Chapter 8

Practice MCQs Test No 1
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1

Class 9 Chemistry

Chapter 8

Practice MCQs Test No 1

1 / 15

Metallic bonding involves _____.

2 / 15

Choose the correct order for metallic character.

3 / 15

Potassium super oxide react with moisture and carbon dioxide and produce

4 / 15

Which of the following metals will have the lowest melting point?

5 / 15

Copper nickle alloy is used to make

6 / 15

Among all the alkali metals, cesium has the lowest ionization energy. Which of these will then have the highest electropositive character?

7 / 15

Electropositive character is also known as _____.

8 / 15

Which of the following metals is NOT an active metal?

9 / 15

Which alloy is used by dentists?

10 / 15

Name the mixture to which gold and platinum can react.

11 / 15

Name the Property of elements to lose electron and become cation .

12 / 15

Which of the following does not represent a symbol for noble metal?

13 / 15

Which of the following will react with most ease with oxygen present in the air?

14 / 15

As we go from Li to Cs, electropositive character _____.

15 / 15

Nature of oxides of aluminium are

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Practice MCQs Test No 2
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1

Class 9 Chemistry
Chapter 8
Practice MCQs Test No 2

1 / 10

The only non-metal that exists in liquid state is _____.

2 / 10

Atoms with high electronegative character prefer to form _____.

3 / 10

When hydrogen halides dissolve in water , it will form

4 / 10

Which of the following halogens does NOT exist in diatomic form?

5 / 10

Which non metal is the most non metallic ?

6 / 10

When halogens and metals react , they form salts called

7 / 10

The correct increasing acidic strength of acids of halogens is

8 / 10

Fluorine can oxidize all halide ions because of high

9 / 10

Which of the following elements will have the highest electronegativity?

10 / 10

Which of the following elements is NOT a non-metal?

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