Question # 1

Which types of reaction speed up gradually?

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Irreversible reactions

Reversibel reactions

Forward reactions

Decomposition reactions.

A bound formed between two amino acids is:

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Peptide linkage

Covalent bound

Hydrogen bound

Glycosidic linkage

Which one of the following is gas at room temperature:

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C2H6

C6H14

C6H6

C8H18

The value of K_c depends on.

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Temperature

Pressure

Volume

Atmosphere

Conversion of dead plants into coal by the action of bacteria and heat is called.

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Carbonization

Catenation

Hydrogenation

Cracking

Temporary hardness in water can he removed by.

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Boiling Method

Using washing soda

Using sodium zeolite

All of them

Which disease cause when humans use water of industrial effluents.

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Cancer

Asthma

Jaundice

cholera

Which of the following is a secondary pollutant.

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CO₂

CO

SO₃

HF

The reaction goes from left to right , if:

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Qc = Kc

Qc > kc

Qc<Kc

Qc = 0

Margarine is produced by adding hydrogen to vegetable oil at.

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2000 ^oC

100^oC

200^oC

1000^oC

The freezing point of water is:

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10 ^oC

100^oC

0^oC

46^oC

Amino acid are linked to each other through.

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Hydrogen link

Ionic link

Gelatin link

Peptide link

A salt always

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Contain ions

Contains water of crystallization

Dissolves in water

Forms crystals which conduct electricity

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