Question # 1

Which one of the followoing is the Hardest coal.

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Peat

Lignite

Bituminous

Anthracite

Percentage of methane present in natural gas is.

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75%

80%

85%

90%

Coal is blackish complex mixture of compounds of

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Carbon

Hydrogen

oxygen

All

The branch of chemistry which deals with the study of hydrocarbons and their derivatives is known as.

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Organic chemistry

Inorganic chemistry

Biochemistry

Nuclear chemistry

Organic compounds contain:

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ionic bond

Covalent bond

Metallic bond

Co-ordinate covalent

What one of the following does not contain protein?

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Pulses

Potatoes

Beans

Eggs

Which is the main component of natrual gas.

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Methane

Ethane

Propane

Charcoal

Number of discovered element till today are.

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140

118

90

16

Open chain compounds are also called:

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aliphatic compounds

alicyclic compounds

aromatic compounds

hydrocarbons

Carbonization process is the conversion of

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Coal into coal gas

Coal into wood

Wood into coal

Wood into coal tar

Natural gas is 85% methane, It is used to make the follwing except.

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Carbon black

Ethane

Propane

Both b and c

Who put forward the vital force theory?

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Berzelius

Wohler

Dalton

Lavoisier

Which one of the following does not contain starch

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Sugar cane

Maize

Barley

Potatoes

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