Question # 1

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

Organic compounds contain:

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ionic bond

Covalent bond

Metallic bond

Co-ordinate covalent

The carbon contents in lignite is.

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80%

50%

60%

70%

Functional group of Alcohols is

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-COOH

-C=0

C-O-C

-OH

Molecular formula of butane is

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C₄H₈

C₄H₁₀

C₄H₁₂

C₄H₆

What one of the following does not contain protein?

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Pulses

Potatoes

Beans

Eggs

Main component of natural gas is

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Methane

propane

Butane

Propene

The ability of carbon atoms to form chains is called.

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Isomerism

Catenation

Resonance

Condensation

Bond energy of C-C is.

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200 KJmol^-1

452 KJmol^-1

300 KJmol^-1

355 KJmol^-1

In laboratory urea was prepared by

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Wohler

Rutherford

Berzelius

Dalton

Coal tar contains compounds

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Benzene

Phenol

Toluene

All

Coal is the mixture of

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Hydrogen

Methane

Carbon monoxide

All

Silicon occurs in the form of

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Silica

Silicates

both a and b

None of these

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