Question # 1

Water dissolves ____________ compound.

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Ionic

Polar covalent

A & B

Nil

The mixture of two component is called .

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Homogeneous mixture

Binary solution

Both a & b

Nil

Mixture has _________ types.

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3

2

1

No types

In the redox reaction between zn and HCI. the oxidizing agent is:

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zn

H⁺

C

H²

Which one metal can be cut with a knife?

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Na

Mg

AI

Ca

Which shows Tyndall Effect?

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Slution

Colloid

Suspension

True solution

Industrial chemistry deals with the manufacturing of compounds:

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in the laboratory

on micro scale

on commercial scale

on economic scale

________________ orbital is more complex in shape.

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s

p

f

d

At freezing point which one of the following coexists in dynamic equilibrium?

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gas and solid

liquid and gas

liquid and solid

all of these

Which one is an example of colloids?

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NaCl + Solution

Milk

Fog

Air

Atoms are made of sub _________

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Atoms

Molecules

Charge

Atomic particles

________________ is triangular in shape.

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BCL3

H2O

CO2

NH3

_________ elements naturally occurring.

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92

118

93

117

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