Question # 1

Number of protons+ neutrons is :

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Atomic mass

Mass numbers

Both

Nil

positive ion hare formed by _________ of electrons.

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Gain

Loss

Sharing

Bonding

Polyatomic molecules consist of _________ atoms.

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1

More than 1

Less than 1

2

The property of being polar in nature is called:

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Polarity

Chemistry

Both

Nil

Br2 + H2S __ 2HBr + S, which one is oxidizing agent:

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H2S

Br2

S

2HBr

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

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zn

H⁺

C

H²

Every system in the universe tends to lower its energy to attain ________________

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Freedom

Flow

Stability

Nil

PCL5 is ________________ shaped.

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Bipyromidal

Angular

Triangular

Linear

Fog is an example of ____________ in gas.

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Solid

Liquid

Gas

Plasma

Gases have fixed ____________

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Shape

Volume

Area

Nil

The mixture of two component is called .

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Homogeneous mixture

Binary solution

Both a & b

Nil

Mass no is represented by :

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A

B

C

D

Which has biger particles?

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Solutions

Colloids

Suspensions

True solutions

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