Question # 1

Natural gas contains.

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Methane

Ethane

Propane

All

Functional group of Alcohols is

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-COOH

-C=0

C-O-C

-OH

Which one is heterocyclic compound?

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Benzene

Cyclobutane

Thiophene

Nephthalene

The coal in which the percentage of carbon is 60%

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Peat

Lignite

Bituminous

Anthracit

The ability of carbon atom to form chain is called.

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Isomerism

Catenation

resonance

Condensation

The ability of carbon atoms to form chains or ring called.

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Hydrogenation

Chlorination

Cantenation

Halogenation

Percentage of methane present in natural gas is.

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75%

80%

85%

90%

____________ is synthetic fiber.

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Cotton

Woal

Nylon

Silk

The functional group -COOH is found in.

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Aldehydes

Esters

Carboxylic acids

alcohols

What is the percentage of carbon in anthracite?

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60%

70%

80%

90%

The strong heating of coal in the absence of air called.

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Fractional Distilation

Destructive Distiation

Carbonization

Catenation

The % age of carbon is bituminous is

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60

70

80

90

Hydrogen atoms preset in pentane are.

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10

12

14

16

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