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Acids, bases and salt
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08/09/2021 12:25 pm
Topic starter
(a) What is the common name of the compound CaOCl2?
(b) Name the raw material used for the preparation of plaster of Paris.
(c) Which property of plaster of Paris is utilised in making casts for broken limbs in hospitals?
(d) Explain why chlorine is used for sterilising drinking water supply.
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08/09/2021 12:27 pm
(a) Bleaching powder.
(b) Gypsum.
(c) It sets into a hard mass in about 30 mins.
(d) Chlorine is used for sterilising drinking water supply because it is a disinfectant which kills germs or bacteria.