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The molecular formula of sodium sulphate...

The molecular formula of sodium sulphate `Na_2SO_4`.
a) Which is the anion in this compound.
b) Write down the molecular formula of the compound formed when the anion of sodium sulphate combines with ammonium ('NH_4^+'), mention any one use of it.

Text Solution

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a) .SO_4^(2-) - sulphate ion
b) .(NH_4)_2SO_4.
Chemical fertiliser
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