Question # 1

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

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Carbonization

Catenation

Hydrogenation

Cracking

Which one of the following is a synthetic fibre?

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Cotton

Wool

nylon

silk

The formula which represents the actual number of atoms in one molecule of organic compound is called.

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Molecular formula

Structural formula

Condensed formula

Dot and cross formula

The ability of carbon atom to form chain is called.

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Isomerism

Catenation

resonance

Condensation

Functional group of Alcohols is

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-COOH

-C=0

C-O-C

-OH

Which one of the following is not a fossil fuel?

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Coal

Natural gas

Bio gas

Petroleum

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

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Kolbe

Wohler

Berzellius

Jabir - Bin - Hayan

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

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

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

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Fractional distillation

Sublimation

Roasting

Destructive distillation

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

General formula of Alkyl radical is..

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C₆H_2n-2

C_nH_2n+2

C₁₁H_2n-1

C_nH_2n-2

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

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