Chemistry 10 Past Papers 2018 MCQs Tests

Federal Board, FBISE Chemistry 10 MCQs Tests of 2018 Past Papers are available on this page. There are three Chemistry papers conducted in 2018, 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 2018 (Local)
Practice MCQs Test

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39

Class 10 Chemistry
Past Paper 2018 (Local)
Practice MCQs Test

1 / 12

Which of the following is a heterocyclic compound?

Cyclopentene

Thiophene

Benzene

Cyclohexane

2 / 12

Plants convert glucose into:

Amino acids

Lipids

Proteins

Starch

3 / 12

In an irreversible reaction, equilibrium is:

Established slowly

Established quickly

Established when reaction stops

Never established

4 / 12

Which of the following is used as domestic fuel?

Ethyne

Ethanol

Chloroform

Methane

5 / 12

Which of following reacts with concentrated alkaline KMn\({ O }_{ 4 }\) to produce oxalic acid?

Ethanol

Ethene

Ethane

Ethyne

6 / 12

Which of the following is not a waterborne disease?

Hepatitis

Anemia

Typhoid

Dysentery

7 / 12

What is the colour of phenolphthalein in acidic medium?

Pink

Red

Colourless

Orange

8 / 12

Formic acid contains functional group:

−CO−

−OH

−COOH

−CHO

9 / 12

Which of the following layers contains ozone gas?

Troposphere

Thermosphere

Mesosphere

Stratosphere

10 / 12

Which of the following is used as raw material for preparation of urea?

[katex]{ H }_{ 2 }O[/katex] and [katex]{ NH }_{ 3 }[/katex]

[katex]{ NH }_{ 3 }[/katex] and NaCl

[katex]{ CO }_{ 2 }[/katex] and [katex]{ NH }_{ 3 }[/katex]

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

11 / 12

Most of air pollution is caused by:

Acid rain

CO

Ozone

The burning of fossil fuels

12 / 12

Which of the following is a Lewis base?

HCl

[katex]{ F }^{ - }[/katex]

[katex]AlCl_{ 3 }[/katex]

[katex]B{ F }_{ 3 }[/katex]

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Past Paper 2018 (Overseas)
Practice MCQs Test

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35

Class 10 Chemistry
Past Paper 2018 (Overseas)
Practice MCQs Test

1 / 12

Which of the following is responsible for acid rain?

CO

[katex]{ SO_{ 2 } }[/katex]

[katex]{ O_{ 3 } }[/katex]

[katex]{ CH_{ 4 } }[/katex]

2 / 12

Which of the following causes brain damage in children?

Lead compounds

[katex]{ SO_{ 2 } }[/katex]

[katex]{ CO_{ 2 } }[/katex]

Ozone

3 / 12

Which of the following is not a source of starch?

Potato

Wheat

Cotton

Rice

4 / 12

What is the colour of methyl red in basic solution?

Orange

Pink

Yellow

Red

5 / 12

In which of the following compounds, oxygen is attached to two alkyl groups?

Esters

Alcohols

Phenols

Ethers

6 / 12

Which of the following is a homocyclic compound?

Furan

Pyridine

Thiophene

Benzene

7 / 12

Which of the following does not happen, when a system is at equilibrium state?

Forward and reverse reactions stop

Concentration of reactants and products stop changing

Reaction continues to occur in both the directions

Forward and reverse reactions occur at same rate

8 / 12

Which of the following is used as raw material for Solvay process?

[katex]{ NH }_{ 3 }[/katex] and CO

[katex]Ca{ (OH) }_{ 2 }[/katex] and [katex]{ CH }_{ 4 }[/katex]

[katex]{ CH }_{ 4 }[/katex] and [katex]{ CO }_{ 2 }[/katex]

[katex]{ NH }_{ 3 }[/katex] and Brine

9 / 12

Which of the following is used for ripening of fruits?

Ethyne

Methane

Benzene

Ethanol

10 / 12

Which of the following is used for dehydrohalogenation of alkyl halides?

Conc. [katex]{ { H }_{ 2 }SO }_{ 4 }[/katex]

[katex]{ Br_{ 2 } }[/katex] water

[katex]{ Al_{ 2 }{ O }_{ 3 } }[/katex]

Alcoholic KOH

11 / 12

Which of the following cannot be classified as Arrhenius acid?

[katex]{ HNO }_{ 3 }[/katex]

[katex]{ { H }_{ 2 }SO }_{ 4 }[/katex]

[katex]{ { H }_{ 2 }CO }_{ 3 }[/katex]

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

12 / 12

The density of water is maximum at:

100 °C

4 °C

0 °C

-4 °C

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Past Paper 2018 (Supp)
Practice MCQs Test

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32

Class 10 Chemistry
Past Paper 2018 (Supp)
Practice MCQs Test

1 / 12

__________ is used for artificial ripening of fruits.

Acetylene

Ethylene

Benzene

Methanol

2 / 12

Chemical formula of Slaked lime is:

[katex]CaC{ O }_{ 3 }[/katex]

[katex]Ca{ Cl }_{ 2 }[/katex]

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

CaO

3 / 12

What is the unit of equilibrium constant for
\({ N }_{ 2 }+{ O }_{ 2 }\rightleftharpoons 2N{ O }_{ 2 }\)

\({ dm }^{ 3 }.{ mol }^{ -1 }\)

\({ mol }^{ 2 }.{ dm }^{ -6 }\)

\({ mol }.{ dm }^{ 3 }\)

No units

4 / 12

Raffinose (\({ C }_{ 18 }{ H }_{ 32 }{ O }_{ 16 }\)) is a:

Polysaccharide

Monosaccharide

Trisaccharide

Disaccharide

5 / 12

For a reversible reaction
\(K_{ C }=\frac { [HI]^{ 2 } }{ [{ H }_{ 2 }][{ I }_{ 2 }] } \)
which substance is product of the reaction?

Both \({ H }_{ 2 }\)and \({ I }_{ 2 }\)

HI

\({ H }_{ 2 }\)

\({ I }_{ 2 }\)

6 / 12

The atmospheric layer that has the temperature range of −5 °C to −93°C is:

Mesosphere

Stratosphere

Thermosphere

Troposphere

7 / 12

___________ is used to make rectified spirit by fermentation process

Starch

Sucrose

Glucose

Cellulose

8 / 12

Which process produces an alkane?

Hydrogenation

Dehydration

Hydration

Combustion

9 / 12

Which of the following acids is used in the manufacturing of many chemicals, drugs, dyes, paints and explosives?

[katex]{ HNO }_{ 3 }[/katex]

HCl

[katex]{ H }_{ 2 }S{ O }_{ 4 }[/katex]

[katex]{ H }_{ 3 }P{ O }_{ 4 }[/katex]

10 / 12

At what pH does Phenolphthalein change its colour?

9

11

5.5

7

11 / 12

In which of the following hydrocarbons, oxygen is attached to two alkyl groups?

Esters

Aldehydes

Ketones

Ethers

12 / 12

The reduction of alkyl halides takes place in the presence of:

Conc. [katex]H_{ 2 }S{ O }_{ 4 }[/katex] at 170[katex]^{ O }[/katex]C

Zn + HCl

Zinc + Dust

[katex]{ Al }_{ 2 }{ O }_{ 3 }[/katex] at 350[katex]^{ O }[/katex]C

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