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 colour of a coloured cloth.State a peculiar (or remarkable) property of plaster of Paris.
Name the substance obtained by the action of chlorine on solid (dry) slaked lime.

Question

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 colour of a coloured cloth.State a peculiar (or remarkable) property of plaster of Paris.
Name the substance obtained by the action of chlorine on solid (dry) slaked lime.

MyClass24 · Accepted Answer

Sodium carbonate is used for softening hard Commonly called washing soda
Bleaching powder is a calcium compound which is used for disinfecting drinking water
Sodium carbonate is the metal compound which has detergent and cleansing property
Bleaching powder or calcium oxychloride ( CaOCl2) is used for removing the colour
Plaster of Paris has a property of setting into hard mass on addition of
Bleaching powder or calcium oxychloride ( CaOCl2) is obtained by the action of chlorine on solid slaked lime