Related Questions

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

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