Question # 1

Carbonization process is the conversion of

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Coal into coal gas

Coal into wood

Wood into coal

Wood into coal tar

What is the percentage of carbon in anthracite?

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60%

70%

80%

90%

Which one of the followoing is the Hardest coal.

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Peat

Lignite

Bituminous

Anthracite

Carbon content in coke is.

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80%

98%

70%

88%

Which one of the following does not contain starch

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Sugar cane

Maize

Barley

Potatoes

Pitch is black residue of.

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Coke

Coal tar

Coal

Coal gas

Silicon occurs in the form of

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Silica

Silicates

both a and b

None of these

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

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Fractional distillation

Sublimation

Roasting

Destructive distillation

The functional group- COOH is found in

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Carboxylic acid

aldehydes

alcohals

easter

Which of the following is the hardest coal?

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Pear

Lignite

Bituminous

Anthracite

In which of the following groups, oxygen is attached on both sides with carbon atoms?

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Ketone

Ether

Aldehyde

Ester

Which one is homocyclic compound?

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Benzene

Cyclobutane

Cyclohexane

All

Pitch is black residue of

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Coke

Coal-tar

Coal

Coal gas

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