Question # 1

General formula of alcohols is:

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RCHO

ROH

O= R - C -OH

O = R - C- R

The coal in which the percentage of carbon is 60%

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Peat

Lignite

Bituminous

Anthracit

Who put forward '' the vital force theory''?

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Kolbe

Wohler

Berzellius

Jabir - Bin - Hayan

Conversion of dead plants into coal by the action of bacteria and heat is called.

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Carbonization

Catenation

Hydrogenation

Cracking

The ability of carbon atoms to form chains or ring called.

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Hydrogenation

Chlorination

Cantenation

Halogenation

Percentage of carbon in peat is.

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50%

60%

70%

80%

Which one of the following is a synthetic fibre?

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Cotton

Wool

nylon

silk

The % age of carbon is bituminous is

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60

70

80

90

Percentage of methane present in natural gas is.

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75%

80%

85%

90%

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

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Fractional Distilation

Destructive Distiation

Carbonization

Catenation

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

Coal tar contains compounds

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Benzene

Phenol

Toluene

All

Which one is homocyclic compound?

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Benzene

Cyclobutane

Cyclohexane

All

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10th Class Chemistry Chapter 11 Organic Chemistry English Medium KPK Boards Online Mcqs MCQs With Answers

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