Question # 1

Pitch is black residue of

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Coke

Coal-tar

Coal

Coal gas

The ability of carbon atoms to form chains is called.

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Isomerism

Catenation

Resonance

Condensation

Which one of the following does ot contain protein

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Pulses

Potatoes

Beans

eggs

In laboratory urea was prepared by

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Wohler

Rutherford

Berzelius

Dalton

The functional group- COOH is found in

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Carboxylic acid

aldehydes

alcohals

easter

Which is the main component of natrual gas.

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Methane

Ethane

Propane

Charcoal

Which one of the followoing is the Hardest coal.

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Peat

Lignite

Bituminous

Anthracite

Coal is the mixture of

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Hydrogen

Methane

Carbon monoxide

All

Carbon content in coke is.

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80%

98%

70%

88%

The % age of carbon in coke is

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60

70

90

98

The example of heterocyclic compound is.

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Benzene

Hexane

Cyclohexane

Pyridine

Coal having 90% carbon contents is called.

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Peat

Lignite

anthracite

bituminous

Petroleum is refined by

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Destructive distillation

Fractional distillation

Simple distillations

Dry distillation

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