Related Questions

Zeolite removes both temporary as well as permanent hardness of water by precipitating calcium and magnesium present in water as insoluble zeolites. Used zeolite is regenerated by flushing with the solution of
A Calcium sulphate
B Sodium chloride
C Sodium sulphate
D Magnesium chloride
Zeolite used in water softening process (cation exchange) is regenerated by washing with
A Brine
B Chloramines
C Sodium bisulphite
D Liquid chlorines
Zeolite is used in the
A Water treatment
B Glass manufacture
C Hydrogenation of fatty oil as a catalyst
D Development of exposed photographic plate
What is Zeolite?
A Hydrated Aluminosilicate
B Hydrated Calcium Sulphate
C Dehydrated Aluminosilicate
D Dehydrated Calcium Sulphate
Zeolite is a/an
A Naturally occuring clay which is capable of exchanging cations
B Abrasive material
C Catalyst used in shift conversion
D None of these
The function of skimming tank in sewage treatment is to remove __________ substances.
A Dissolved solid
B Suspended solid
C Oil & fatty
D Gritty & inorganic
In water treatment, rapid gravity filters are adopted to remove
A Dissolved organic substances
B Dissolved solids and dissolved gases
C Floating solids and dissolved inorganic solids
D Bacteria and colloidal solids
Clay treatment is used to remove
A Salt from the crude oil
B Colour & dissolved gases from cracked gasoline
C Wax from lube oil
D None of these
During sewage treatment, the sewage is subjected to __________ treatment in Imhoff tank.
A Filtration
B Digestion
C Sedimentation
D Both B and C
The function of skimming tank in sewage treatment is to remove
A Oil and fatty substances
B Suspended solids
C Gritty substances
D Inorganic substances

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