Question # 1

____________ solids are arranged in 3 dimension.

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Crystalline

Amorphous

Both

None

Which one is least oxidizing agent?

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F

CI

I

Br

Formation of water form hydrogen and oxygen is:

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Redox reaction

Acid-base reaction

Neutralization

Decomposition

Diamonds exists in ____________ form.

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Cubic

Linear

Circular

Nil

Industrial chemistry deals with the manufacturing of compounds:

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in the laboratory

on micro scale

on commercial scale

on economic scale

H2O is what type of molecules it is:

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Manoatomic

Polyatomic

Pentaatomic

Nil

Metals lose their electrons easily because:

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They are electronegative

They have electron affinity

They are electropositive

Good conductors of heat

The number of electrons in K shell of O is ________________

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9

10

2

1

The boiling point of H2O is:

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100

12

1.105

9

The SI unit of pressure is:

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N

N/m²

Pascal

atm

________________ solids are hard.

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Ionic

Covalent

Coordinate

Nil

CO2 the oxidation number of C =.

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+1

+2

+3

+4

positive ion hare formed by _________ of electrons.

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Gain

Loss

Sharing

Bonding

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