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

1 / 12

Most of air pollution is caused by:

CO

The burning of fossil fuels

Ozone

Acid rain

2 / 12

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

Ethane

Ethene

Ethyne

Ethanol

3 / 12

What is the colour of phenolphthalein in acidic medium?

Red

Orange

Pink

Colourless

4 / 12

Which of the following is a heterocyclic compound?

Cyclopentene

Cyclohexane

Thiophene

Benzene

5 / 12

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

{ NH }_{ 3 } and NaCl

{ H }_{ 2 }O and { NH }_{ 3 }

{ CO }_{ 2 } and { Ca(OH) }_{ 2 }

{ CO }_{ 2 } and { NH }_{ 3 }

6 / 12

Which of the following layers contains ozone gas?

Mesosphere

Thermosphere

Stratosphere

Troposphere

7 / 12

In an irreversible reaction, equilibrium is:

Established quickly

Established when reaction stops

Established slowly

Never established

8 / 12

Which of the following is not a waterborne disease?

Hepatitis

Anemia

Dysentery

Typhoid

9 / 12

Formic acid contains functional group:

−OH

−CO−

−CHO

−COOH

10 / 12

Which of the following is a Lewis base?

B{ F }_{ 3 }

AlCl_{ 3 }

HCl

{ F }^{ - }

11 / 12

Which of the following is used as domestic fuel?

Ethyne

Chloroform

Ethanol

Methane

12 / 12

Plants convert glucose into:

Lipids

Amino acids

Starch

Proteins

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Past Paper 2018 (Overseas)
Practice MCQs Test

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

1 / 12

The density of water is maximum at:

4 °C

0 °C

-4 °C

100 °C

2 / 12

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

Forward and reverse reactions occur at same rate

Forward and reverse reactions stop

Concentration of reactants and products stop changing

Reaction continues to occur in both the directions

3 / 12

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

{ Al_{ 2 }{ O }_{ 3 } }

{ Br_{ 2 } } water

Alcoholic KOH

Conc. { { H }_{ 2 }SO }_{ 4 }

4 / 12

Which of the following causes brain damage in children?

Lead compounds

Ozone

{ CO_{ 2 } }

{ SO_{ 2 } }

5 / 12

Which of the following is responsible for acid rain?

{ SO_{ 2 } }

CO

{ CH_{ 4 } }

{ O_{ 3 } }

6 / 12

Which of the following is not a source of starch?

Wheat

Cotton

Potato

Rice

7 / 12

What is the colour of methyl red in basic solution?

Red

Yellow

Orange

Pink

8 / 12

Which of the following cannot be classified as Arrhenius acid?

{ HNO }_{ 3 }

{ { H }_{ 2 }CO }_{ 3 }

{ { H }_{ 2 }SO }_{ 4 }

{ CO }_{ 2 }

9 / 12

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

Phenols

Ethers

Alcohols

Esters

10 / 12

Which of the following is used for ripening of fruits?

Benzene

Methane

Ethyne

Ethanol

11 / 12

Which of the following is a homocyclic compound?

Furan

Thiophene

Benzene

Pyridine

12 / 12

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

{ NH }_{ 3 } and CO

Ca{ (OH) }_{ 2 } and { CH }_{ 4 }

{ NH }_{ 3 } and Brine

{ CH }_{ 4 } and { CO }_{ 2 }

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Past Paper 2018 (Supp)
Practice MCQs Test

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

1 / 12

___________ is used to make rectified spirit by fermentation process

Starch

Sucrose

Glucose

Cellulose

2 / 12

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

{ mol }.{ dm }^{ 3 }

{ mol }^{ 2 }.{ dm }^{ -6 }

{ dm }^{ 3 }.{ mol }^{ -1 }

No units

3 / 12

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

Polysaccharide

Disaccharide

Monosaccharide

Trisaccharide

4 / 12

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

Thermosphere

Troposphere

Mesosphere

Stratosphere

5 / 12

__________ is used for artificial ripening of fruits.

Ethylene

Acetylene

Benzene

Methanol

6 / 12

Which process produces an alkane?

Hydration

Dehydration

Combustion

Hydrogenation

7 / 12

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

Esters

Ketones

Aldehydes

Ethers

8 / 12

Chemical formula of Slaked lime is:

CaC{ O }_{ 3 }

Ca{ (OH) }_{ 2 }

Ca{ Cl }_{ 2 }

CaO

9 / 12

At what pH does Phenolphthalein change its colour?

9

5.5

7

11

10 / 12

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

HCl

{ H }_{ 2 }S{ O }_{ 4 }

{ H }_{ 3 }P{ O }_{ 4 }

{ HNO }_{ 3 }

11 / 12

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

{ I }_{ 2 }

HI

{ H }_{ 2 }

Both { H }_{ 2 }and { I }_{ 2 }

12 / 12

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

Zn + HCl

Zinc + Dust

{ Al }_{ 2 }{ O }_{ 3 } at 350^{ O }C

Conc. H_{ 2 }S{ O }_{ 4 } at 170^{ O }C

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