Question # 1

Which one of the followoing is the Hardest coal.

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Peat

Lignite

Bituminous

Anthracite

General formula of alcohols is:

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RCHO

ROH

O= R - C -OH

O = R - C- R

Which one contains double covalent bound?

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Pentane

Ethylene

Acetylene

All

Which one is homocyclic compound?

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Benzene

Cyclobutane

Cyclohexane

All

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 atom to form chain is called.

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Isomerism

Catenation

resonance

Condensation

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

Coal is the mixture of

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Hydrogen

Methane

Carbon monoxide

All

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

The % age of carbon is bituminous is

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60

70

80

90

Which one of the following does not contain starch

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Sugar cane

Maize

Barley

Potatoes

Organic compounds contain:

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ionic bond

Covalent bond

Metallic bond

Co-ordinate covalent

Alkanes are also called:

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olefins

Paraffins

aliphatic compound

cyclic compounds

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

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