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Chemistry 9th Class English Medium Unit 4 Online Test MCQs With Answers

Question # 1

The bound between ionic compound is ............ .

Choose an answer

Covalent

Co-ordinate

Ionic

Nil

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Question # 2

H8+ _ Cl8- , the charge on H is.

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Neutral

Nil

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Question # 3

"×" & "." Represent:

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Shells

Neutrons

Electrons

Atoms

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Question # 4

Which of the following compound is not directional in its bonding?

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CH⁴

KBr

CO²

H₂O

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Question # 5

The shape of H2O is ________________

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Angular

Linear

Triangular

All of above

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Question # 6

How many number of electrons take part in triple covalent bond?

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Question # 7

Which is a polar molecule?

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HCI

H₂

CI₂

O₂

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Question # 8

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

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Gases

Lustrous

Solids

Nil

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Question # 9

Atoms form chemical bonds to attain the electronic configuration of

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Halogens

Noble gases

Alkali metals

Alkaline earthmetals

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Question # 10

All ionic compound are ________________ at room temperature.

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Liquid

Solids

Gas

Plasma

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Question # 11

________________ solids are hard.

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Ionic

Covalent

Coordinate

Nil

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Question # 12

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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