Question # 1

Which branch of chemistry is athe study elements and their compounds except for organic compounds?

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Physical Chemistry

Geochemisty

Organic chemistry

Inorganic chemistry

A nceklaee has 6 g of diamonds in it . What are the numberof carbon atoms in it?

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3.01 x 10²³

1.003 x 10²³

12.04 x 10²³

6.02 x 10²³

The mass number of sodium is.

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19

31

27

23

Graphite is ..........conductor of electiricity

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Bad

Moderate

Good

None of these

All the noble gases have their valence electrons.

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Incomplete

Partialy filled

Completely filled

None of the above

Which compound is used a thinner is paint industry?

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H2O

C2H3OH

CH3COOC2H5

CH3COOH

Following are state of matter.

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Liquid

Solid

Gas

All of these

Without stoichiometry which industry cannot exist.

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Decreased nuclear charge

Similar electronci configuration

High ionization energies

Relatively greatr atomic size.

The simplist form of matter

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Liquid

Solid

Gas

Both b and c

Whcih types of bond is present between NH3 and BF3

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Covalend Bond

Ionic Bond

Co ordinate covalent bond

Metallic Bond

Caustic chemical drain cleaner are captable of dissolving.

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Hair

Food

Grease

All of these

Which of the following is Bronsted base?

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HCl

CH3COOH

H2O

NH3

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