Question # 1

The property of being polar in nature is called:

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Polarity

Chemistry

Both

Nil

Sodium has ________________ no. of protons.

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11

12

13

14

Atoms form chemical bonds to attain the electronic configuration of

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Halogens

Noble gases

Alkali metals

Alkaline earthmetals

Which one of the following is the weakest force among the atom?

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ionic force

metallic force

intermolecular force

covalent force

For ________________ "like dissolves like".

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Metals

Bonds

Solubility

Nil

How many covalent bond does C₂H₂ molecule have?

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two

three

four

five

Considering the electronic configuration of atoms which atom with the given atomic number will be the most stable one?

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6

8

10

12

Metals are ________________

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Liquid

Solid

Gas

Malleable

The no. of electrons in the valence shell of noble gases are

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2

4

8

2 or 8

________________ is triangular in shape.

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BCL3

H2O

CO2

NH3

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

The no. of Ion pair/pairs in ammonia molecule is / are

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1

2

3

4

All ionic compound are ________________ at room temperature.

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Liquid

Solids

Gas

Plasma

The bond in covalent compound is ________________

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Covalent

Ionic

Dative

Couple

Which has metallic bond?

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H

Na

HCI

P

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

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Covalent

Co-ordinate

Ionic

Nil

________________ cannot be seen by naked eye.

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Matter

Molecules

Solid

Liquids

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