Question # 1

In which of the following groups , oxygen is attached on both sides with carbon atoms.

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Ketone group

Ether group

Aldehyde group

Easter group

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

Coal tar contains compounds

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Benzene

Phenol

Toluene

All

The % age of carbon is bituminous is

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60

70

80

90

General formula of Alkyl radical is..

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C₆H_2n-2

C_nH_2n+2

C₁₁H_2n-1

C_nH_2n-2

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

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Fractional Distilation

Destructive Distiation

Carbonization

Catenation

Functional group of Alcohols is

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-COOH

-C=0

C-O-C

-OH

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

In which of the following groups, oxygen is attached on both sides with carbon atoms?

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Ketone

Ether

Aldehyde

Ester

Hydrogen atoms preset in pentane are.

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10

12

14

16

Pitch is black residue of.

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Coke

Coal tar

Coal

Coal gas

Aromatic compounds are given this name because of;

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smell they have

slippery touch they have

bitter taste they have

sour taste they have

General formula of Alkane is.

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C₁₀H_2n-2

C₆H₂₆

C₁₁H_2n-2

C_nH_2n-2

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

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