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

Who put forward the vital force theory?

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Berzelius

Wohler

Dalton

Lavoisier

General formula of Alkane is.

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C₁₀H_2n-2

C₆H₂₆

C₁₁H_2n-2

C_nH_2n-2

The ability of carbon atom to form chain is called.

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Isomerism

Catenation

resonance

Condensation

Petroleum is refined by:

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destructive distillation

fractional distillation

simple distillation

dry distillation

Which one contains double covalent bound?

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Pentane

Ethylene

Acetylene

All

Which one is heterocyclic compound?

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Benzene

Cyclobutane

Thiophene

Nephthalene

Conversion of wood into coal is called.

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Carbonization

Destructive distillation

Fractional distillation

All

Which one of the following compounds is an aldehyde?

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CH₃-CH₂-OH

CH₃-COOH

CH₃CHO

CH₃COCH₃

Which is the main component of natrual gas.

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Methane

Ethane

Propane

Charcoal

The general formula of alkane is

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C_nH_2n+2

C_nH_2n-2

C_nH_2n

C_nH_2n+1

The carbon contents in lignite is.

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80%

50%

60%

70%

Formula of Decane is.

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C₁₀H₂₀

C₁₀H₂₂

C₁₀ H₄

C₁₀H₁₆

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

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