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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4

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

1 / 12

In an irreversible reaction, equilibrium is:

Never established

Established when reaction stops

Established slowly

Established quickly

2 / 12

Which of the following is a Lewis base?

[katex]AlCl_{ 3 }[/katex]

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

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

HCl

3 / 12

Which of the following layers contains ozone gas?

Stratosphere

Troposphere

Mesosphere

Thermosphere

4 / 12

Which of the following is not a waterborne disease?

Typhoid

Hepatitis

Anemia

Dysentery

5 / 12

What is the colour of phenolphthalein in acidic medium?

Orange

Pink

Red

Colourless

6 / 12

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

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

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

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

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

7 / 12

Formic acid contains functional group:

−OH

−CHO

−CO−

−COOH

8 / 12

Which of the following is a heterocyclic compound?

Benzene

Thiophene

Cyclohexane

Cyclopentene

9 / 12

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

Ethane

Ethyne

Ethene

Ethanol

10 / 12

Which of the following is used as domestic fuel?

Chloroform

Ethanol

Ethyne

Methane

11 / 12

Plants convert glucose into:

Lipids

Amino acids

Starch

Proteins

12 / 12

Most of air pollution is caused by:

Acid rain

The burning of fossil fuels

Ozone

CO

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Past Paper 2018 (Overseas)
Practice MCQs Test

/12

5

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

1 / 12

Which of the following is not a source of starch?

Potato

Cotton

Wheat

Rice

2 / 12

What is the colour of methyl red in basic solution?

Orange

Yellow

Pink

Red

3 / 12

The density of water is maximum at:

100 °C

4 °C

0 °C

-4 °C

4 / 12

Which of the following is a homocyclic compound?

Pyridine

Benzene

Thiophene

Furan

5 / 12

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

Concentration of reactants and products stop changing

Forward and reverse reactions stop

Forward and reverse reactions occur at same rate

Reaction continues to occur in both the directions

6 / 12

Which of the following is used for ripening of fruits?

Benzene

Ethyne

Ethanol

Methane

7 / 12

Which of the following cannot be classified as Arrhenius acid?

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

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

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

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

8 / 12

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

[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

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

9 / 12

Which of the following causes brain damage in children?

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

Lead compounds

Ozone

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

10 / 12

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

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

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

Alcoholic KOH

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

11 / 12

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

Ethers

Phenols

Esters

Alcohols

12 / 12

Which of the following is responsible for acid rain?

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

CO

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

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

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Past Paper 2018 (Supp)
Practice MCQs Test

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3

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

1 / 12

__________ is used for artificial ripening of fruits.

Methanol

Ethylene

Acetylene

Benzene

2 / 12

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

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

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

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

No units

3 / 12

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

Esters

Ketones

Ethers

Aldehydes

4 / 12

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

Zinc + Dust

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

Zn + HCl

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

5 / 12

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

\({ H }_{ 2 }\)

HI

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

\({ I }_{ 2 }\)

6 / 12

___________ is used to make rectified spirit by fermentation process

Starch

Glucose

Sucrose

Cellulose

7 / 12

At what pH does Phenolphthalein change its colour?

5.5

11

9

7

8 / 12

Which process produces an alkane?

Hydration

Hydrogenation

Combustion

Dehydration

9 / 12

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

Disaccharide

Monosaccharide

Trisaccharide

Polysaccharide

10 / 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]

11 / 12

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

Mesosphere

Stratosphere

Thermosphere

Troposphere

12 / 12

Chemical formula of Slaked lime is:

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

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

CaO

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

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