Question # 1

The shape of H2O is ________________

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Angular

Linear

Triangular

All of above

H° + H° are ________________ in energy.

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Lower

Higher

Medium

Nil

When an electronegative element combines electropositive element the type of bonding is

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covalent

ionic

polar covalent

coordinate covalent

Which has metallic bond?

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H

Na

HCI

P

............. are sonorous.

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Metals

Solids

Metals

Force

"×" & "." Represent:

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Shells

Neutrons

Electrons

Atoms

Atoms form chemical bonds to attain the electronic configuration of

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Halogens

Noble gases

Alkali metals

Alkaline earthmetals

Transfer of electrons between atoms results in:

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metallic bonding

ionic bonding

covalent bonding

coordinate covalent bonding

How many covalent bond does C₂H₂ molecule have?

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two

three

four

five

All metals are solid at ________________ temperature.

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Room

High

Low

None

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

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2

4

6

8

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

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1

2

3

4

________________ is triangular in shape.

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BCL3

H2O

CO2

NH3

An atom having six electrons in its achieve noble electronic configuration by:

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gaining one electron

losing all electrons

gaining two electrons

losing two electrons

Metals are ________________

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Liquid

Solid

Gas

Malleable

Which molecules is donor in nature?

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H₂

NH₃

O₂

HF

All ionic compound are ________________ at room temperature.

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Liquid

Solids

Gas

Plasma

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