Question # 1

The relative rates of diffusion of a gas (Mol, wt. - 98) as compared to hydrogen will be

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1/7

1/5

1/4

1

Cyclone collector is used for minimizing

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Radioactive pollution

Air pollution

Noise pollution

Water pollution

Number of elements presents in the fifth period of periodic table is

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8

10

18

32

The credit of discovering neutron goes to

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Rutherford

Langmuir

Chadwick

Austen

Vital force theory was rejected by

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Berzelius

Kolbe

Wholer

Lavoiser

Which of the following is not present in RNA?

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Uracil

Thymine

Ribose

Phosphate

Which of the following elements is most electronegative?

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Oxygen

Chlorine

Nitrogen

Fluorine

Causticisation process is used for the preparation of

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Caustic soda

Caustic potash

Baryata solution

Slaked lime

Which one is not usually used for the crystallization

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Acetone

Acetic acid

Sulphuric acid

Chloroform

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NAT I Medical Chemistry MCQs With Answers

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