write chemi Cal formula of the sulphates of aluminium ammonium and zinc
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Valencies of aluminium, ammonium and zinc are 3, 1 and 2, respectively. The valency of sulphate is 2. Hence, chemical formulae of the sulphates of aluminium, ammonium and zinc are Al2(SO4)3, (NH4)2SO4 and ZnSO4.
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aluminium .. AL
ammonium. ..NH4
Zinc...zn
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