Question # 1

In double covalent bond, every atom provides

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1 electrons

2 electrons

4 electrons

6 electrons

The cathode of Nelson's cell is made up of

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C

Zn

Cu

Fe

The valency of nitrogen is

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1

2

3

4

____________ solids are arranged in 3 dimension.

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Crystalline

Amorphous

Both

None

Which is an acceptor molecule/ion?

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N₂

O₂

H⁺

CH₄

The mixture of two component is called .

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Homogeneous mixture

Binary solution

Both a & b

Nil

4th & 5th consist of ________________ elements.

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8

18

32

infinite

Which shows Tyndall Effect?

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Slution

Colloid

Suspension

True solution

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

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CH⁴

KBr

CO²

H₂O

The quantity of a matter in a body is called ____________

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Mass

Weight

Atom

Molecule

The shape of H2O is ________________

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Angular

Linear

Triangular

All of above

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

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2

4

6

8

The no.of elements in the first period is

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2

8

18

23

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