Question # 1

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

Wood contain the amount of carbon.

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70%

80%

60%

40%

Which one is homocyclic compound?

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Benzene

Cyclobutane

Cyclohexane

All

Coal is the mixture of

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Hydrogen

Methane

Carbon monoxide

All

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

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Ketone

Ether

Aldehyde

Ester

Which of the following statement s is not true about fossil fuels?

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they all contain carbon

They are renewable

they produce pollutants when burnt

they cause acid rain

In laboratory urea was prepared by

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Wohler

Rutherford

Berzelius

Dalton

General formula of alkyl radical is

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C_nH_2n+2

C_nH_2n-2

C_nH_2n+1

C_nH_2n

Who put forward the vital force theory?

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Berzelius

Wohler

Dalton

Lavoisier

____________ is synthetic fiber.

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Cotton

Woal

Nylon

Silk

Which of the following is the hardest coal?

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Pear

Lignite

Bituminous

Anthracite

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