With increase in temperature, the equilibrium constant at constant pressure (Kp) for oxidation of sulphur dioxide

Moist atmospheric air at high temperature (e.g., in summer) having high concentration of sulphur dioxide causes

A

Fading of dyes on textiles

B

Corrosion, tarnishing & soiling of metals

C

Reduced strength of textiles

D

All of the above

When a system in equilibrium is subjected to a change in temperature, pressure or concentration, the equilibrium is displaced in a direction which tends to undo the effect of the change. This is called the

A

Le-Chatelier principle

B

Kopp's rule

C

Law of corresponding state

D

Arrehenius hypothesis

Maximum sulphur percentage in low sulphur heavy stock (LSHS) furnace oil is about

A

0.1

B

1

C

2.5

D

3.5

Sulphur Dioxide pollution is indicated by an excessive growth of which of the following?

A

Algal Blooms

B

Lichens

C

Bryophytes

D

Protozoa

Bleaching action of moist sulphur dioxide is because of its

A

Basic property

B

Acidic property

C

Oxidising property

D

Reducing property

Sulphur dioxide bleaches colouring matter by :

A

Reduction

B

Dehydration

C

Decomposition

D

Oxidation

From pollution control point of view, the maximum permissible concentration of sulphur dioxide in atmospheric air is about __________ ppm.

A

1

B

5

C

50

D

500

Dearomatisation of kerosene (by liquid sulphur dioxide extraction) is done to

A

Increase its smoke point

B

Improve its oxidation stability

C

Decrease the breathing loss

D

None of these

Sulphur dioxide level in the atmosphere can be reduced by using

A

More efficient car engines

B

Catalytic converters in industry

C

Static electricity to attract it in factory chimneys

D

Low - sulphur fuels

Sulphur dioxide present in the industrial chimney exhaust causes

A

Respiratory and lung disease

B

Reduction in plant's productivity owing to acid rain

C

Corrosion building materials

D

All of the above

With increase in temperature, the equilibrium constant at constant pressure (Kp) for oxidation of sulphur dioxide

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