Question

- Consider the following substances :
NaCl, Ca(OH)2, NaHCO3, NH3, Na,CO,,H,O, CI, CO2, CaSO4.2H20, 2CaSO4.H2O, CaOCI,
(a) Which two substances combine to form bleaching powder ?
6) Which four substances are utilised in the production of washing soda ?
(C) Which compound represents plaster of Paris ?
(d) Which compound is a part of baking powder ?
(e) Which compound is used as an antacid ?

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Answer 1

Explanation:

1. Calicum and chloride
2. sodium,carbon, oxygen
3. CaSo4
4. NaCo3
5. Na2Co3

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