Question # 1

Crude oil is heated to the fractionating furnace upto.

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300 ^oC

350^oC

400^oC

450^oC

The unit of molar concentration is:

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moldm^-3

moldm⁺³

molcm^-3

molcm⁺³

Composition of carbon in the diesel oil.

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C₇-C₁₀

C₁₀-C₁₂

C₁₃-C₁₅

C₁₅-C₁₈

Which of the followings is a disaccharide?

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Glucose

Fructose

Sucrose

Starch

Reaction which have comparable amount of reactants and products at equilibrium state have.

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Very small Kc value

Very large Kc value

Moderate Kc value

None of these

Petroleum fraction having composition C₅ to C₇ is.

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Petroleum Gas

Petroleum Ether

Kerosine oil

Gasoline or petrol

The pH of acid rain.

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2

3

4

5

Incomplete combustion of alkanes produces.

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Carbon dioxide only

Carbon monoxide only

Carbon monoxide and carbon black

Carbon dioxide and carbon black

According to Bronsted and Lowry concept a base is a substance that can accept.

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Proton

Electron pair

Neutron

Electron

Which one of the properties of water is responsible for rising of water plants?.

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Specific heat capacity

Surface tension

Excellent solvent action

Capillary action.

In an irreversible reaction dynamic equilibrium:

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Never establishes

Established before the completion of reaction

Establishes after the completion of reaction

Establishes readily

The % age of carbon in coke is

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60

70

90

98

How many percentage of protein is present in dry weight of animal?

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More then 20%

More then 30%

More then 40%

More then 50%

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