Question # 1

The % age of carbon is coal is

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40-60

50-70

40-80

40-90

____________ is synthetic fiber.

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Cotton

Woal

Nylon

Silk

General formula of alcohols is:

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RCHO

ROH

O= R - C -OH

O = R - C- R

Which one of the followoing is the Hardest coal.

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Peat

Lignite

Bituminous

Anthracite

Main component of Natrual gas.

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CH₃

CH₄

C₂H₆

C₂H₂

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

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Ketone

Ether

Aldehyde

Ester

Carbonization process is the conversion of

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Coal into coal gas

Coal into wood

Wood into coal

Wood into coal tar

Who was prepared acetic acid in laboratory?

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Berzelius

Wohler

Kolbe

Dalton

Pitch is black residue of.

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Coke

Coal tar

Coal

Coal gas

Open chain compounds are also called:

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aliphatic compounds

alicyclic compounds

aromatic compounds

hydrocarbons

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

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Fractional Distilation

Destructive Distiation

Carbonization

Catenation

The carbon contents in lignite is.

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80%

50%

60%

70%

Chemical formula for urea is:

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NH4CNO

NH4CH

NH2CONH2

NH4CI

Which one of the following does ot contain protein

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Pulses

Potatoes

Beans

eggs

Formula of Decane is.

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C₁₀H₂₀

C₁₀H₂₂

C₁₀ H₄

C₁₀H₁₆

The ability of carbon atoms to form chains is called.

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Isomerism

Catenation

Resonance

Condensation

In laboratory urea was prepared by

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Wohler

Rutherford

Berzelius

Dalton

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