Question # 1

Percentage of carbon in peat is.

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50%

60%

70%

80%

Which one of the followoing is the Hardest coal.

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Peat

Lignite

Bituminous

Anthracite

The carbon contents in lignite is.

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80%

50%

60%

70%

Vital force theory was rejected by.

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Jabir Bin Hayan

Drawin

Wohler

Berzellius

Coal gas is mixture of

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CO and CH₄

CO . CH₄. CO₂

CO, CH₄, H₂

CO, H₂ and CO₂

Silicon occurs in the form of

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Silica

Silicates

both a and b

None of these

The % age of carbon is lignite is

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60

70

80

90

Main component of natural gas is

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Methane

propane

Butane

Propene

Which one contains triple covalent bond?

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Pentane

Ethylene

Acetylene

All

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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Aldehydes

Esters

Carboxylic acids

alcohols

Petroleum is refined by:

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destructive distillation

fractional distillation

simple distillation

dry distillation

General formula of alcohols is:

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RCHO

ROH

O= R - C -OH

O = R - C- R

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