1.

Balance the equation. (i) Cu_(2)S + O_(2) rarr Cu_(2)O + SO_(2) (ii) Ca_(3) (PO_(4))_(2) + 2H_(2) SO_(4) rarr Ca(H_(2)PO_(4))_(2)+CaSO_(4)

Answer»



Solution :(i) `2Cu_(2)S+ 3O_(2) RARR 2Cu_(2)O + 2SO_(2)`
(ii) `Ca_(3)(PO_(4))_(2) +H_(2)SO_(4) rarr CA(H_(2)PO_(4))+2CaSO_(4)`


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