Question # 1

Which one of the following is a synthetic fibre?

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Cotton

Wool

nylon

silk

Coal tar contains compounds

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Benzene

Phenol

Toluene

All

The % age of carbon is lignite is

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60

70

80

90

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

Pitch is black residue of.

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Coke

Coal tar

Coal

Coal gas

The % age of carbon in peat is :

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60%

70%

80%

90%

Conversion of wood into coal is called.

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Carbonization

Destructive distillation

Fractional distillation

All

Molecular formula of butane is

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C₄H₈

C₄H₁₀

C₄H₁₂

C₄H₆

Petroleum is refined by:

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destructive distillation

fractional distillation

simple distillation

dry distillation

Which one of the followoing is the Hardest coal.

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Peat

Lignite

Bituminous

Anthracite

Who was prepared acetic acid in laboratory?

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Berzelius

Wohler

Kolbe

Dalton

Alkyl radical is derivative of

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Alkane

Alkene

Alkyne

All

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Chemistry 10th Class English Medium Unit 11 Online Test MCQs With Answers

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