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Acids, bases and salt
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08/09/2021 12:12 pm
Topic starter
(a) Name a sodium compound used for softening hard water.
(b) Which compound of calcium is used for disinfecting drinking water supply?
(c) Name a metal compound which has detergent properties (cleansing properties).
(d) Name one compound of calcium which is used for removing the colour of a coloured cloth.
(e) State a peculiar (or remarkable) property of plaster of Paris.
(f) Name the substance obtained by the action of chlorine on solid (dry) slaked lime.
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08/09/2021 12:13 pm
(a) Sodium carbonate.
(b) Bleaching powder.
(c) Sodium carbonate.
(d) Bleaching powder.
(e) It sets into a hard mass on mixing with proper quantity of water.
(f) Bleaching powder.