Question # 1

How many atoms orm one molecuel of chlorine.

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1

2

3

4

Whcih of the following has double covalent bound.

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Br2

CO2

HCl

N2

Which of the following has stble elecronic configuration.

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H

He

C

Li

Which of the following is an anion.

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F

Cl

S-2

NH3

Chemical formula of Sulphuric Acid.

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HCl

H2SO4

HNO3

CH3COOH

A molecule consists of two or more

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Compounds

Atoms

Formulae

Element

Positively charged atom or grouping of atoms is called.

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Anion

Cation

Neutron

Proton

Negatively charged atom or grop of atoms is called.

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Proton

Electron

Anion

Cation

Which of teh following is cation.

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H2

H2O

CO2

NH+4

Outermost shell of chlorine stom has................. electrons.

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1

2

6

7

Oxygen is a

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Monoalent element

Divalent element

Trivalent element

Tertravalent element

Chemical bond in O2 is.

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Ionic

Covalent

Metallic

None of these

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General Science 7th Class English Medium Chapter 6 Online Test MCQs With Answers

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