Question # 1

Main component of natural gas is

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Methane

Propane

Butane

Propene

Which gas is used to prepare ammonia?

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N₂

O₂

Cl₂

S

Equilibrium constant has no unit when number of moles of reactants and products are:

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same

Different

Both a and b

None of these

Alkyl radical is derivative of

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Alkane

Alkene

Alkyne

All

The stratosphere layer is at height above the earth's surface.

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0-12 km

12-50 km

50-85 km

65-120 km

The recombination of O and O₂ in mid stratosphere is an

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Exothermic reaction

Endothermic reaction

Heat absorbing process

None of these

Which one of the following organic compound is found is gasoline?

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C₂H₄

C₃H₈

C₇H₁₀

C₁₂H₂₆

On hydrolysis sucrose produces one unit of glucose and one unit of.

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Fructose

Starch

Cellulose

None of them

Which acid is used an electrolyte in lead storage battery?

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H₂SO₄

HNO₃

HCl

CH₃COOH

The gas used by animals to perform respiration.

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O₂

N₂

SO₂

Cl₂

Formic acid is present in

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String of bees

Sour milk

Apple

Fats

A strange bitter smell noticed near photocopiers is of:

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SO2

H2S

O2

O3

The characteristics of reversible reactions are the following except:

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Products never recombine to form reactants.

They never complete

The proced in both ways

They have a double arrow between reactants and products.

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