Chemistry 10 Past Papers 2017 MCQs Tests

Federal Board, FBISE Chemistry 10 MCQs Tests of 2017 Past Papers are available on this page. There are three Chemistry papers conducted in 2017, the one is taken within Pakistan and the second paper is an overseas paper and the third one is Supplemanetary Paper. MCQs Tests for both papers are given below. Chapter-wise MCQs Tests of Chemistry 10 are available HERE.

Past Paper 2017 (Local)
Practice MCQs Test

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3

Class 10 Chemistry
Past Paper 2017 (Local)
Practice MCQs Test

1 / 12

If an alkane is having '5’ carbon atoms then the number of Hydrogen atoms in this alkane will be:

12

15

10

5

2 / 12

\({ K }_{ w }\) is called ionization constant of water. Its value can be obtained by:

Multiplying \({ H }^{ + }\) and \({ OH }^{ - }\)

Adding \({ H }^{ + }\) and \({ OH }^{ - }\)

Multiplying \({ H }^{ + }\) 𝑎𝑛𝑑 \({ H }_{ 2 }O\)

Dividing \({ H }^{ + }\) and \({ OH }^{ - }\)

3 / 12

For a general reaction 2A + B \(\rightleftharpoons \) 2C + D the rate of forward reaction will be equal to:

\({ K }_{ f }[A][B]\)

\({ K }_{ f }{ [A] }^{ 2 }+[B]\)

\({ K }_{ f }{ [A] }^{ 2 }[B]\)

\({ K }_{ f }[2A][B]\)

4 / 12

Ice floats over liquid water because:

Its temperature is less than water

Its density is less than water

Its mass is less than water

Its volume is less than water

5 / 12

Ultraviolet radiations are absorbed by ozone in the stratosphere, that is why:

Temperature of stratosphere decreases

Temperature of stratosphere increases

Ozone holes are formed

Ozone layer is destroyed

6 / 12

Which of the following is evolved during the ripening of fruits and vegetables?

Ethene

Ethanal

Ethane

Methane

7 / 12

By dehydration we mean the removal of:

[katex]{ H }_{ 2 }O[/katex]

HCl

[katex]{ H }_{ 2 }[/katex]

[katex]{ H }_{ 2 }{ O }_{ 2 }[/katex]

8 / 12

n-pentane: iso-pentane and neo pentane are having different:

Number of H-atoms

Structures

Molecular masses

Molecular formulas

9 / 12

Which scientist proposed the law of mass action?

C.M. Lewis

C.M Wanderwal

C.M. Guldberg

C.M. Gulder

10 / 12

The gastric juice has pH= 1 It means a ___________________ solution.

Strongly acidic

Slightly acidic

Slightly basic

Strongly basic

11 / 12

At equilibrium state of a reversible reaction:

Concentrations of the reactants become zero

Concentration of reactants and products become constant.

Forward and reverse reactions are stopped

Concentrations of reactants and products become equal

12 / 12

Marble buildings and statues are destroyed by acid rain due to reaction of Sulphuric acid with:

[katex]Ca(N{ O }_{ 3 })_{ 2 }[/katex]

[katex]FeSO_{ 4 }[/katex]

[katex]CaCO_{ 3 }[/katex]

Fe

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Past Paper 2017 (Overseas)
Practice MCQs Test

/11

0

Class 10 Chemistry
Past Paper 2017 (Overseas)
Practice MCQs Test

1 / 11

Which of the following substance reacts with to produce ethyleneglycol?

Ethyne

Ethane

Acetylene

Ethene

2 / 11

The emission of 𝐶𝑂, 𝑁𝑂 and unburned hydrocarbons can be reduced by using:

Catalytic converters

Filter Plants

Green houses

Incinerators

3 / 11

Which of the following is a heterocyclic compound?

Benzene

Cyclohexane

neo-pentane

Pyridine

4 / 11

Addition of Hydrogen in the vegetable oil is due to presence of:

C = C bonds

C - H bonds

C - C bonds

H - O bonds

5 / 11

What happens when ammonium carbamate is distilled with steam?

Urea solution is produced

Ammonium hydroxide is produced

Ammonia is produced

Carbon dioxide is produced

6 / 11

Which of the following is used as Antacid?

NaOH

KOH

[katex]Ca{ (OH) }_{ 2 }[/katex]

[katex]Mg{ (OH) }_{ 2 }[/katex]

7 / 11

On boiling temporary hard water, the substance which is settled down is:

[katex]CaCO_{ 3 }[/katex]

[katex]CaCl_{ 2 }[/katex]

[katex]Mg(HC{ O }_{ 3 })_{ 2 }[/katex]

[katex]Ca(HC{ O }_{ 3 })_{ 2 }[/katex]

8 / 11

The pH of Lemon juice is ‘2’. The \({ H }^{ + }\) ion concentration \({ H }^{ + }\) in the lemon juice is:

\({ 10 }^{ 2 }\)M

\({ 10 }^{ -2 }\)M

2.0 M

0.2 M

9 / 11

Reduction of Ethylchloride (\({ C }_{ 2 }{ H }_{ 5 }Cl\)) produces.

Ethane

Ethyne

Ethene

Ethylalcohol

10 / 11

For a reversible reaction Kc = \(\frac { { [C] }^{ 2 } }{ [A][B] } \) . The correct equation of above expression is:

\({ C }_{ 2 }\rightleftharpoons \)A+B

A + B \(\rightleftharpoons \) 2C

A + B \(\rightarrow \) 2C

2C \(\rightleftharpoons \) A + B

11 / 11

Which of the following is an ore of Aluminum?

Magnetite

Bauxite

Haematite

Halite

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Past Paper 2017 (Supp)
Practice MCQs Test

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Class 10 Chemistry
Past Paper 2017 (Supp)
Practice MCQs Test

1 / 12

Phenol gives _______ ppt with bromine water.

Black

Red

White

Green

2 / 12

Which one of the followings is insoluble in water?

[katex]{ Na }_{ 2 }CO_{ 3 }[/katex]

[katex]NaHCO_{ 3 }[/katex]

[katex]CaCO_{ 3 }[/katex]

[katex]Ca(HC{ O }_{ 3 })_{ 2 }[/katex]

3 / 12

The general formula of alkane is:

[katex]C_{ n }{ H }_{ 2n+1 }[/katex]

[katex]C_{ n }{ H }_{ 2n }[/katex]

[katex]C_{ n }{ H }_{ 2n+2 }[/katex]

[katex]C_{ n }{ H }_{ 2n+3 }[/katex]

4 / 12

Pitch is produced by:

Petroleum

Coal

Coal gas

Coal tar

5 / 12

Which of the followings is not a waterborne disease?

Typhoid

Anemia

Hepatitis

Dysentery

6 / 12

Colour of methyl red in solution of pH=9 is:

Pink

Red

Yellow

Blue

7 / 12

Acid rain has pH less than:

8.5

7.5

5.6

9.5

8 / 12

The unit of Kc for a reaction with equal number of moles of reactants & products is:

[katex]{ mol }.{ dm }^{ 3 }[/katex]

[katex]{ mol }^{ 2 }.{ dm }^{ -6 }[/katex]

[katex]{ mol }.{ dm }^{ -3 }[/katex]

None of these

9 / 12

Which one of the following vitamins is fat soluble?

Vitamin B

Vitamin A

None of these

Vitamin C

10 / 12

Which of the following is used as jet fuel?

Lubricating oil

Fuel oil

Diesel oil

Kerosene oil

11 / 12

The formula of ammonium carbamate is:

[katex]{ NH }_{ 2 }COONH_{ 4 }[/katex]

[katex]{ NH }_{ 2 }CONH_{ 4 }[/katex]

[katex]{ NH }_{ 4 }Cl[/katex]

[katex]{ NH }_{ 2 }CONH_{ 2 }[/katex]

12 / 12

Which one is not an air pollutant?

CO

[katex]N_{ 2 }[/katex]

[katex]NO_{ 2 }[/katex]

[katex]O_{ 3 }[/katex]

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