Question # 1

Which factor determines the severity of a pollutant?

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Chemical nature

concentration

Persistence

All of them

Which contains sufficient amount of metal?

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Mineral

Ores

Rocks

Soil

How trace amount of acetylene present in the coat gas.

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0.06%

0.07%

0.08%

0.09%

Which gas is produce by the electrical lightening of air.

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NO

SO₂

SO₃

CO₂

The number of carbon atoms present in diesel oil.

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10-15

11-15

12-15

13-15

Industrial effluents are highly

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Toxic organic compounds.

Inorganic salts.

Heavy metals

All of them

Infrared radiation emitted by the earth are absorbed by?

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CO₂,H₂O

N₂,O₂

CO₂,N₂

O₂,CO₂

Identify which one of the following compounds is a ketron?

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(CH₃)₂ CHOH

(CH₃)₂CHCl

(CH₃)₂CO

(CH₃)₂CHCl

Which of the followings is a disaccharide?

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Glucose

Fructose

Sucrose

Starch

Which process is responsible for ascending of water in roots:

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evaporation

transpiration

condensation

capillary action

The water of crystallization is responsible for the.

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Melting points of crystals

Boiling points of crystals

Shapes of crystals

Transition point of crystals

If an organic compound has 4 carbon atoms, all singly bonded, it will have the following characteristics except one.

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It will be saturated hydrocarbon

It will hav 8 hydrogen atoms

Its name will be n-butane.

It will be least reactive.

In a Reversible Reaction if Qc = Kc then.

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Reaction is occuring in forward direction

Reaction is occuring in Reverse direction

Equilibrium has been allained

Reaction is not at equilibrium

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