Question # 1

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

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Fractional Distilation

Destructive Distiation

Carbonization

Catenation

Alkanes are also called:

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olefins

Paraffins

aliphatic compound

cyclic compounds

The functional group -COOH is found in.

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Aldehydes

Esters

Carboxylic acids

alcohols

The 1st organic compound prepared in laboratory.

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Urea

NaCl

Thiourea

Pyridine

Silicon occurs in the form of

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Silica

Silicates

both a and b

None of these

Pitch is black residue of

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Coke

Coal-tar

Coal

Coal gas

Who put forward the vital force theory?

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Berzelius

Wohler

Dalton

Lavoisier

Coal having 90% carbon contents is called.

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Peat

Lignite

anthracite

bituminous

Percentage of methane present in natural gas is.

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75%

80%

85%

90%

The ability of carbon atoms to form chains is called.

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Isomerism

Catenation

Resonance

Condensation

Aromatic compounds are given this name because of;

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smell they have

slippery touch they have

bitter taste they have

sour taste they have

The % age of carbon is coal is

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40-60

50-70

40-80

40-90

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