Question # 1

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

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Metals

Solids

Metals

Force

Which molecules is donor in nature?

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H₂

NH₃

O₂

HF

..................... is property of metals.

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Gases

Lustrous

Solids

Nil

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

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CH⁴

KBr

CO²

H₂O

Identify when pair has polar covalent bonds:

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O₂ and Cl₂

H₂O and N₂

H₂O and C₂H₂

H₂O and HCI

Metals are ________________

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Liquid

Solid

Gas

Malleable

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

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2

4

6

8

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

________________ in linear in shape.

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CO+

CO2

H2O

NH3

The property of being polar in nature is called:

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Polarity

Chemistry

Both

Nil

________________ are formed from chemical reactions.

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Elements

Mixture

Substance

Nil

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

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Covalent

Co-ordinate

Ionic

Nil

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

________________ cannot be seen by naked eye.

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Matter

Molecules

Solid

Liquids

In ionic bond complete ________________ of electrons occurs.

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Paring

Sharing

Transfer

None

Which is a polar molecule?

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HCI

H₂

CI₂

O₂

H8+ _ Cl8- , the charge on H is.

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_

+

Neutral

Nil

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