Question

19. Give the names of the elements and number of atoms of
those elements, present in the following compounds.
(a) Sodium sulphate (b) Quick lime
(c) Baking soda (NaHCO3) (d) Ammonia
(e) Ammonium dichromate
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Answer 1

sodium sulphur oxygen-Na

calcium oxygen

sodium hydrogen carbon oxygen

nitrogen hydrogen

nitrogen hydrogen chromium