Question # 1

The % age of carbon is coal is

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40-60

50-70

40-80

40-90

The 1st organic compound prepared in laboratory.

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Urea

NaCl

Thiourea

Pyridine

The % age of carbon in peat is :

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60%

70%

80%

90%

The % age of carbon is bituminous is

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60

70

80

90

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

Alkyl radical is derivative of

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Alkane

Alkene

Alkyne

All

Main component of natural gas is

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Methane

propane

Butane

Propene

The branch of chemistry which deals with the study of hydrocarbons and their derivatives is known as.

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Organic chemistry

Inorganic chemistry

Biochemistry

Nuclear chemistry

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%

Bond energy of C-C is.

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200 KJmol^-1

452 KJmol^-1

300 KJmol^-1

355 KJmol^-1

Formula of Decane is.

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C₁₀H₂₀

C₁₀H₂₂

C₁₀ H₄

C₁₀H₁₆

Pitch is black residue of.

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Coke

Coal tar

Coal

Coal gas

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

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