Question # 1

Which of the following undergoes easy dehydration?

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3-MethyIbutan-2-ol

Ethanol

2.Methylpropan-2-ol

Methanol

The hydrocarbon with maximum B.P is

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CH4

C6H14

C4H10

C2H6

In the atosphere, CO₂is about

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0.01%

0.03%

0.05%

0.09%

Based on the physico-chemical properties, proteins may be classified into the following types

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Simple proteins

Compound proteins

Derived proteins

All of the above

Which behaves as insulator for animals body?

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Carbohydrates

Proteins

Fats

Skin

Which is unnecessary for purification of water for drinking purpose?

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Coagulation

Treatment with iodine

Aeration

Chlorination

The ideal gas law holds best under the conditions of

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high pressure and high temperature

low pressure and high temperature

low pressure and low temperature

high pressure and low temperature

London forces are more affective at:

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high temperature

low temperature

low pressure

high pressure

The protein component of enzyme ls called

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apoenzyme

proenzyme

holoenyme

co-enzyme

Polymerisation of vinyl acetate is a type of:

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homopolymer

copolymer

ter polymer

All of these

Reactivity of carbonyl compounds is due to

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Electrophilic carbon

Less stearic hindrance

Unsaturation of Co

Polarity of bond

Alkyl halides are reactive :

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High

Medium

Less

Least

Acyl halide is formed by reacting PCl₅with

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Alcohol

Ester

Amide

Both carboxylic acids as well as esters

Burning of fossil fuels is the main source of pollution

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Nitrogen oxide

Nitric oxide

Nitrous oxide

Sulphur dioxide

The cell which generates electricity as a result of spontaneous oxidation-reduction reaction is called

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Electrolytic cell

Nelson's cell

Galvanic cell

Down's cell

Any substance under going physical or chemical change is said to be

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Surrounding

System

Losphere

Lithosphere

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0 dm³

3 dm³

2 dm³

3 dm³

Which of the following acts as ligand

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NH₃

NH₂-- CH₂-- CH₂-- NH₂

C₂O^2-₄

All these

Heat,. work and internal energy of the system and surroundings are related into an equation which is called

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First law of thermodynamics

Hess's law

Henry's law

Born-haber cycle

Major fertilizers with micro-nutrients are:

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Nitrogeneous

Phosphalic

Potash

All of these

Which of the following has zero depole-moment?

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CIF

PCl₃

SiF₄

CFCl₄

Chemical reactivity of elements depends upon their characteristic:

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Shape.

Color.

Electronic configuration.

Sizes

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