Class 9 Chemistry Grand MCQs Tests Reduced Syllabus

Which of the following is not the unit of pressure?

Which metal is used to make filaments of electric bulb?

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

Which of the following elements belongs to group VIII A?

The oxidation state of Hydrogen in metal hydride is?

A 100 gram solution contains 25 grams of a solute. This solution will be called:

The empirical formula for caffeine (C₈H₁₀N₄O₂) is:

Which of the following elements has greater shielding effect?

How many atoms are there in 1.25 moles of Zinc?

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

A liquid boils when its vapour pressure becomes equal to:

The number of neutrons in ²⁷M₁₃ is:

Identify the element which has the largest atomic radius.

Consider the following reaction:
CuO + H₂  →  Cu + H₂O
In this reaction CuO behaves as:

Which of the following substance has an ionic bond?

Which element is reduced in the given redox reaction?
ZnO + H₂  →  Zn + H₂O

M shell has subshells:

Fermentation of cane sugar produces ______ v/v of ethyl alcohol called rectified spirit.

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]

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

Which one of the following substances is not a sublimate?

In which of the following changes the nitrogen atom is reduced?

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

‘M’ shell of an atom has the following sub-shells:

A chemist dissolves 15g of NaCl in 85g of H₂O. This solution is:

If the temperature of 30 dm³ gas is increased from 273K to 546K the volume of it will become:

The correct electronic configuration of Mg is:

Galvanizing is:

Which of the following metals is the least reactive metal?

The equation V/T = Constant is the mathematical expression of:

In which group are halogen elements present?

The bond formed between atoms due to transfer of electrons from one atom to another is called:

The aqueous solutions of ionic compounds conduct electricity due to:

If you move from left to right in a period of periodic table, which of the following will NOT change?

Which one is heterogeneous mixture?

What is the mass of FOUR moles of Hydrogen (H₂) gas?

Bromine has a melting point of – 7°C and a boiling point of 59°C. What is the physical state of Bromine at 100°C?

Which of the following quantities are the same for one mole of hydrogen gas and one mole of water?

The direct conversion of a solid into vapours is called:

In NaCl cubic crystal each Cl^-1 ion is surrounded by ______ Na⁺ ions.

In which of the following processes the speed of the particles decreases?

The atomic radius of an atom _________ as one move from top to bottom in a group of periodic table.

The electronic configuration “1S² 2S² 2P⁶ 3S²” belongs to:

Which of the following solids is amorphous?

Gain of electrons and loss of oxygen is called:

The oxidation number of Boron B. in H₃BO₃ is:

Which one of the following elements belongs to Group III-A of the periodic table?

Which of the following groups contain alkaline earth metals?

The oxidation number of Cr in Cr₂O₃ and K₂Cr₂O₇ are:

Which of the element of the 3rd period has highest electronegativity?

H₂S + Cl₂   →   2HCl + S
In above reaction H₂S behaves as:

The number of neutrons in an atom ²³M₁₁ is:

A solution contains 0.05 moles of KMnO₄ in 600 cm³ of solution. The morality of this solution is:

The oxidation state of B in H₃BO₃ is:

Which of the following is the reaction taking place at anode?

Which of the following oxides is amphoteric oxide?

The electronic configuration of an element is 1s², 2s². An atom of this element will form an ion that will have a charge:

Which of the following is the opposite of melting?

Galvanizing is:

The covalent bond is formed by:

Identify the covalent compound.

Which of the following ions, Chlorine cannot oxidize?

Water boils at ______ in a pressure cooker.

Which of the following oxides is the most basic oxide?

How many molecules are present in 0.5 moles of Benzene (C₆H₆)?

Which of the following is the Empirical formula of Benzene?

0.25 moles of SO₂ will contain:

What is the reducing agent in the following reaction?
CuO + H₂ →  Cu + H₂O

Which of the following element is most metallic?

Which of the following elements in the given reaction is reduced?
ZnO + H₂  →  Zn + H₂O

Which of the following elements has a greater shielding effect?

Particles size of colloids vary from:

A solution of NaOH has a concentration of 4g/ dm³. What is the mass of NaOH contained in 250 cm³ of this solution?

The period number of Phosphorus is:

Identify the number of electrons that the f-subshell can accommodate.

Melting point of Sodium is:

Which of the following atoms obeys the duplet rule?

Identify the metal used as a catalyst in contact process:

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

The escape of molecules of a gas through a small hole one after the other is called:

A student mixed a solute in a solvent and made a mixture. After 15 minutes, he/she observed that solute has settled down. He/she will call this mixture as:

An aqueous solution can dissolve 25 g of a solid at 25°C. If someone dissolves 20g of this solid in water at 25°C then this solution will be called:

Which of the following molecules have a triple covalent bond?

Which term is same for one mole of oxygen gas and one mole of water?

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

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

Which of the following ions burns with brick red flame?

How many atoms are there in 0.1 moles of Carbon?

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

In the formation of AlF₃, how many electron(s) are lost by an Aluminum atom?

Acetone melts at – 94°C and boils at 56°C. What is the physical state of Acetone at 25°C and 1 atm?

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

Which of the following property of halogens is maximum among the members of their period?

In which of the following processes speed of particles decrease?

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

The volume of a 0.5 M solution of hydrochloric acid containing its 2 moles is:

A solution of NaOH contains 30 g of this compound in 1.5 dm³ of solution. What is the Molarity of this solution?

A liquid boils when its vapour pressure becomes equal to:

Consider the following table:

Which of the following relationship does this table represent?

Which of the following oxides is utilized in breathing equipment to provide oxygen to patients?

How many atoms are there in 28 g of N₂ gas?

Consider the following table:

Which of the following relationship does this table represent?

Al₂O₃ is an example of ________ oxide.

Oxidation number of Mn is KMnO₄ is:

A liquid boils when its vapour pressure becomes equal to:

In which group of the Periodic table is S present on the basis of electronic configuration?

Valence shell electronic configuration of an element M (Atomic No 14) is:

Which substance is NOT covalent?

The number of moles in 46 g of Sodium (Na) will be?

Which substance does not have an ionic bond?

Galvanizing is:

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

Which of the following is an amphoteric oxide?

What is the mass of Carbon present in 44 g of Carbon dioxide?

What is maximum amount of Sodium Acetate that can be dissolved in 100 g of water at 0°C?

At Mount Everest, what is the boiling point of water?

In which of the following changes the nitrogen atom is reduced?

Number of neutrons in ²⁷M₁₃  is ________.

The electron affinity increases from left to right along a period due to:

Which of the following solutions is more dilute?

How many elements were known by the end of the 18^th century?

The electronic configuration of an element is 1s², 2s². An atom of this element will form an ion that will have ______ charge.

What is the oxidation state of Hydrogen in case of Metallic Hydrides?

When Arshad dissolves 28 g of KOH in one dm³ of water. Its molarity will be:

A compound with chemical formula Na₂CX₃ has formula mass 106 amu. Atomic mass of the element X is _______.

Which quantity is same for one mole of Hydrogen gas and one mole of water?

The tendency of a metal to lose electrons is called:

Which of the following molecules obey the duplet rule?

Period number of Phosphorus in Periodic table is:

The horizontal rows of the periodic table are called:

What is the mass of Carbon present in 44 g of CO₂?

How many moles of molecules are there in 16 g Oxygen?

In chrome plating, the compound used as an electrolyte is:

Which of the following is a covalent compound?

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

Vegetable oil is converted into vegetable ghee by passing H₂ gas through the oil. In this process which of the following elements is used as a catalyst?

Which of the following sub-shells can accommodate 6 electrons?

NaCl forms a colorless cubic crystal. Which of the following has also the same cubic crystal as NaCl crystal?

Which of the following is the most basic oxide?

Which of the following elements has greater shielding effect?

Which of the following atoms obeys Duplet rule?

What is the mass of 4 moles of Hydrogen gas?

Which of the following is used as cathode in the Down’s cell?

Which of the following element is most metallic?

Relationship “PV=Constant” represents:

Which of the following is NOT TRUE about the formation of Na₂S?

The melting point of Sodium Chloride is:

Which is the property of crystalline solid?

Which of the following is Sublime?

Which of the following elements in the given reaction is reduced?
ZnO + H₂  →   Zn + H₂O

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

How many moles of molecules are there in 16 g of Oxygen gas?

The increase in ionization energy from left to right in a period is due to:

A solution of NaOH has a concentration of 4g/ dm³. What is the mass of NaOH contained in 250 cm³ of this solution?

A liquid boils when its vapour pressure becomes equal to:

Mention the amphoteric oxide out of given oxides.

Which one of the following obeys Duplet rule?

A liquid boils when its vapour pressure is __________.

‘V ∝  T’ Relationship represents:

Rutherford used ________ particles in his experiment.

The number of moles in 54 g of water will be:

If one mole of ‘Na’ contains ‘x’ atoms of Sodium, what is the number of atoms contained in 46g of Sodium?

In Aqua Regia, the ratio between HCl (Conc.) and HNO₃ (Conc.) is:

The correct electronic configuration of an atom having atomic number ‘13’ is:

Which of the following is Milk of Magnesia?

A solution of NaOH contains 30 g of this compound in 1.5 dm³ of solution. What is the Molarity of this solution?

An electrochemical cell in which electrical energy is used to derive a chemical reaction is called:

Value of Plank’s constant is:

Which of the following substance is sublimate?

Consider the given reaction:
H₂S + Cl₂   →  2 HCl + S
In the above reaction, H₂S behaves as a/an ________.

Which of the following elements belongs to VIII-A group?

Rutherford used _____________ particles in his experiment.

Silicon belongs to group IV A. It has _______ electrons in the valence shell.

Which one is the correct electronic configuration according to Auf Bau Principle?

In the formation of AlF₃, Al atom loses _________ electrons.

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

M shell has _____ subshells.

Electronic configuration of an element is 1s² 2s² 2p⁶ 3s² 3p³. In which of the following groups it will be placed?

Oxidation state/number of ‘Cr’ in K₂Cr₂O₇ is:

In chromium plating the H₂SO₄ is added to Cr₂(SO₄)₃ in order to:

Chloride ion can not oxidize ______ ion.

What is the formula mass of CuSO₄.5H₂O?
(Cu=63.5, H=1, O=16, S=32)

Which one of the following substances is not a sublimate?

SO₂ is ___________ oxide.

If one mole of carbon contains x atoms, then what is the number of atoms contained in 12 g of Mg?

Atomic numbers were discovered by:

Galvanizing is coating with _________.

The Oxidation number of ‘N’ in HNO₃ is:

Which of the following does not involve electrolytic process?

Oxidation state of Cr in K₂Cr₂O₇ is: