Question # 1

Evaporation of water is

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An exothermic change

An endothermic change

A process where no heat changes occur

A process accompanied by chemical

The movement of solvent molecules through a semipermeable membrane is called

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Electrolysis

Electrophoresis

Osmosis

Cataphoresis

Detergents are

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Synthetic products

Natural products

Both A and B

None of the above

Dilute hydrochloric acid solution cannot be concentrated by boiling beyond

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11%

33%

44%

22%

Alum is not used

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As a mordant in dyeing

As an insecticide

In purification of water

In tanning of leather

The main structure features of proteins is

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An ester linkage

An ether linkage

The peptide linkage

All

AI is more reactive than Fe but AI is less easily corroded than Fe Because

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It is a noble metal

Oxygen forms a protective reaction easily with water

Iron undergoes reaction easily with water

Fe form mono and divalent ions.

The addition of HBr is easiest with

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CH2 = CHCI

CICH = CHCI

CH3 - CH = CH2

(CH3)2 C = CH2

Oleum is

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Castor oil

Oil of vitriol

Fuming of H₂SO₄

None of them

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NAT I Medical Chemistry MCQs With Answers

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