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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30

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

1 / 12

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

Molecular formulas

Structures

Molecular masses

Number of H-atoms

2 / 12

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

12

10

5

15

3 / 12

By dehydration we mean the removal of:

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

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

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

HCl

4 / 12

Which scientist proposed the law of mass action?

C.M Wanderwal

C.M. Gulder

C.M. Lewis

C.M. Guldberg

5 / 12

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

Fe

[katex]CaCO_{ 3 }[/katex]

[katex]FeSO_{ 4 }[/katex]

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

6 / 12

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

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

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

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

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

7 / 12

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

Ozone holes are formed

Temperature of stratosphere decreases

Ozone layer is destroyed

Temperature of stratosphere increases

8 / 12

Ice floats over liquid water because:

Its mass is less than water

Its density is less than water

Its volume is less than water

Its temperature is less than water

9 / 12

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

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

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

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

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

10 / 12

At equilibrium state of a reversible reaction:

Concentration of reactants and products become constant.

Concentrations of reactants and products become equal

Forward and reverse reactions are stopped

Concentrations of the reactants become zero

11 / 12

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

Ethane

Ethene

Ethanal

Methane

12 / 12

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

Slightly basic

Strongly basic

Strongly acidic

Slightly acidic

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Past Paper 2017 (Overseas)
Practice MCQs Test

/11

23

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

1 / 11

Which of the following substance reacts with to produce ethyleneglycol?

Acetylene

Ethene

Ethane

Ethyne

2 / 11

What happens when ammonium carbamate is distilled with steam?

Carbon dioxide is produced

Ammonium hydroxide is produced

Urea solution is produced

Ammonia is produced

3 / 11

Which of the following is a heterocyclic compound?

Pyridine

Cyclohexane

Benzene

neo-pentane

4 / 11

Which of the following is used as Antacid?

NaOH

KOH

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

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

5 / 11

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

Green houses

Catalytic converters

Incinerators

Filter Plants

6 / 11

Which of the following is an ore of Aluminum?

Halite

Bauxite

Haematite

Magnetite

7 / 11

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

0.2 M

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

2.0 M

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

8 / 11

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

Ethylalcohol

Ethyne

Ethane

Ethene

9 / 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

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

A + B \(\rightleftharpoons \) 2C

10 / 11

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

H - O bonds

C = C bonds

C - H bonds

C - C bonds

11 / 11

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

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

[katex]CaCO_{ 3 }[/katex]

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

[katex]CaCl_{ 2 }[/katex]

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Past Paper 2017 (Supp)
Practice MCQs Test

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17

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

1 / 12

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

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

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

None of these

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

2 / 12

Which of the followings is not a waterborne disease?

Hepatitis

Dysentery

Typhoid

Anemia

3 / 12

The general formula of alkane is:

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

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

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

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

4 / 12

Acid rain has pH less than:

9.5

8.5

7.5

5.6

5 / 12

The formula of ammonium carbamate is:

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

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

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

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

6 / 12

Phenol gives _______ ppt with bromine water.

Green

Black

White

Red

7 / 12

Which one of the followings is insoluble in water?

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

[katex]CaCO_{ 3 }[/katex]

[katex]NaHCO_{ 3 }[/katex]

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

8 / 12

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

Red

Yellow

Pink

Blue

9 / 12

Pitch is produced by:

Coal

Coal tar

Petroleum

Coal gas

10 / 12

Which of the following is used as jet fuel?

Fuel oil

Kerosene oil

Diesel oil

Lubricating oil

11 / 12

Which one is not an air pollutant?

CO

[katex]NO_{ 2 }[/katex]

[katex]O_{ 3 }[/katex]

[katex]N_{ 2 }[/katex]

12 / 12

Which one of the following vitamins is fat soluble?

None of these

Vitamin A

Vitamin C

Vitamin B

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