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

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

Temperature of stratosphere increases

Ozone layer is destroyed

Ozone holes are formed

Temperature of stratosphere decreases

2 / 12

By dehydration we mean the removal of:

HCl

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

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

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

3 / 12

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

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

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

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

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

4 / 12

Which scientist proposed the law of mass action?

C.M. Gulder

C.M Wanderwal

C.M. Guldberg

C.M. Lewis

5 / 12

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

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

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

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

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

6 / 12

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

Structures

Number of H-atoms

Molecular formulas

Molecular masses

7 / 12

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

Fe

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

[katex]FeSO_{ 4 }[/katex]

[katex]CaCO_{ 3 }[/katex]

8 / 12

At equilibrium state of a reversible reaction:

Concentrations of the reactants become zero

Concentrations of reactants and products become equal

Forward and reverse reactions are stopped

Concentration of reactants and products become constant.

9 / 12

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

12

5

10

15

10 / 12

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

Slightly basic

Strongly acidic

Strongly basic

Slightly acidic

11 / 12

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

Ethanal

Ethane

Ethene

Methane

12 / 12

Ice floats over liquid water because:

Its volume is less than water

Its temperature is less than water

Its density is less than water

Its mass is less than water

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Past Paper 2017 (Overseas)
Practice MCQs Test

/11

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

1 / 11

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

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

0.2 M

2.0 M

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

2 / 11

Which of the following is used as Antacid?

NaOH

KOH

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

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

3 / 11

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

[katex]CaCO_{ 3 }[/katex]

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

[katex]CaCl_{ 2 }[/katex]

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

4 / 11

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

C - C bonds

C = C bonds

C - H bonds

H - O bonds

5 / 11

Which of the following is a heterocyclic compound?

Pyridine

Cyclohexane

neo-pentane

Benzene

6 / 11

Which of the following is an ore of Aluminum?

Magnetite

Halite

Bauxite

Haematite

7 / 11

Which of the following substance reacts with to produce ethyleneglycol?

Acetylene

Ethane

Ethene

Ethyne

8 / 11

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

2C \(\rightleftharpoons \) A + B

A + B \(\rightarrow \) 2C

A + B \(\rightleftharpoons \) 2C

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

9 / 11

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

Ethene

Ethane

Ethyne

Ethylalcohol

10 / 11

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

Green houses

Filter Plants

Catalytic converters

Incinerators

11 / 11

What happens when ammonium carbamate is distilled with steam?

Ammonium hydroxide is produced

Urea solution is produced

Ammonia is produced

Carbon dioxide is produced

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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

The formula of ammonium carbamate is:

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

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

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

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

2 / 12

Pitch is produced by:

Petroleum

Coal gas

Coal

Coal tar

3 / 12

Which of the followings is not a waterborne disease?

Anemia

Typhoid

Hepatitis

Dysentery

4 / 12

The general formula of alkane is:

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

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

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

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

5 / 12

Phenol gives _______ ppt with bromine water.

Red

Green

Black

White

6 / 12

Acid rain has pH less than:

8.5

5.6

9.5

7.5

7 / 12

Which of the following is used as jet fuel?

Fuel oil

Lubricating oil

Kerosene oil

Diesel oil

8 / 12

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

None of these

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

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

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

9 / 12

Which one is not an air pollutant?

[katex]NO_{ 2 }[/katex]

CO

[katex]O_{ 3 }[/katex]

[katex]N_{ 2 }[/katex]

10 / 12

Which one of the following vitamins is fat soluble?

Vitamin B

Vitamin C

Vitamin A

None of these

11 / 12

Which one of the followings is insoluble in water?

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

[katex]CaCO_{ 3 }[/katex]

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

[katex]NaHCO_{ 3 }[/katex]

12 / 12

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

Pink

Red

Yellow

Blue

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