Related Questions

Bleaching action of bleaching powder is due to its __________ properties.
A Reducing
B Oxidising
C Disinfecting
D None of these
Which gas is released when water is added to bleaching powder?
A Oxygen
B Hydrogen
C Carbon dioxide
D Chlorine
Chemical name of bleaching powder is :
A Calcium chlorate
B Calcium hypochlorite
C Calcium chloro hypochlorite
D Calcium bi chloride
Bleaching powder is used in drinking water as a/an
A Disinfectant
B Antibiotic
C Antiseptic
D Coagulant
What is the chemical formula of bleaching powder?
A Ca (OCl)2
B Ca (OCl)
C Ca (OCl)3
D CaCl2
The treatment of water with bleaching powder is known as
A Pre-chlorination
B Super chlorination
C De-chlorination
D Hypo-chlorination
The percentage of chlorine in fresh bleaching powder is about
A 10 to 15
B 20 to 25
C 30 to 35
D 40 to 50
Bleaching powder is prepared by passing :
A Chlorine over slaked lime
B Oxygen over slaked lime
C Carbon dioxide over slaked lime
D Chlorine over quick lirne
Bleaching powder (chemically known as calcium chloro hypochlorite) is commercially produced by the action of chlorine on
A Slaked lime
B Soda lime
C Calcium perchlorate
D None of these
Which one of the following is not true for bleaching powder?
A It is used as a reducing agent in chemical industries
B It is used for bleaching wood pulp in paper factories
C It is used for disinfecting drinking water
D It is used for bleaching linen in textile industry

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