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9th Class Chemistry Chapter 4 Structure of Molecules English Medium KPK Boards Online Mcqs MCQs With Answers

Question # 1

Ionic compound are ________________ in water.

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insoluble

Soluble

Covalent

Solvent

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Question # 2

The property of being polar in nature is called:

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Polarity

Chemistry

Both

Nil

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Question # 3

..................... is property of metals.

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Gases

Lustrous

Solids

Nil

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Question # 4

The no. of electrons in the valence shell of noble gases are

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2 or 8

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Question # 5

All metals are solid at ________________ temperature.

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Room

High

Low

None

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Question # 6

Which one of the following is an electron deficient molecule?

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HN₃

BF₃

N₂

O₂

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Question # 7

________________ in linear in shape.

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CO+

CO2

H2O

NH3

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Question # 8

All ionic compound are ________________ at room temperature.

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Liquid

Solids

Gas

Plasma

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Question # 9

............. are sonorous.

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Metals

Solids

Metals

Force

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Question # 10

The bond between two atoms will be ionic if the difference between their electronegativities is:

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Less than 1.7

Greater than 1.7

Zero

Less than 1.2

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Question # 11

The shape of H2O is ________________

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Angular

Linear

Triangular

All of above

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Question # 12

When an electronegative element combines electropositive element the type of bonding is

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covalent

ionic

polar covalent

coordinate covalent

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Question # 13

It is an ionic compound

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H2O

NaCI

CH4

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