Question # 1

The strone heating of coal in retorts in the absence of air is called.

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Fractional distillation

sublimation

Roasting

Destructive distillation

Who was prepared acetic acid in laboratory?

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Berzelius

Wohler

Kolbe

Dalton

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

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Kolbe

Wohler

Berzellius

Jabir - Bin - Hayan

Identify which one of the following compounds is a ketron?

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(CH₃)₂ CHOH

(CH₃)₂CHCl

(CH₃)₂CO

(CH₃)₂CHCl

Petroleum is refined by:

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destructive distillation

fractional distillation

simple distillation

dry distillation

Which one of the following compounds is an aldehyde?

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CH₃-CH₂-OH

CH₃-COOH

CH₃CHO

CH₃COCH₃

Coal gas is mixture of

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CO and CH₄

CO . CH₄. CO₂

CO, CH₄, H₂

CO, H₂ and CO₂

Which one of the following is a synthetic fibre?

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Cotton

Wool

nylon

silk

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

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Hydrogenation

Chlorination

Cantenation

Halogenation

Carbon content in coke is.

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80%

98%

70%

88%

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

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Fractional Distilation

Destructive Distiation

Carbonization

Catenation

Pitch is black residue of.

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Coke

Coal tar

Coal

Coal gas

Which is the main component of natrual gas.

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Methane

Ethane

Propane

Charcoal

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

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