Complete the missing components/variables given as x and y in the following reactions
(a) $Pb(NO_3 )_2 (aq) + 2KI(aq) → PbI_2 (x) + 2KNO_3 (y)$
(b) $Cu(s) + 2AgNO_3 (aq) → Cu(NO_3)_2 (aq) + x(s)$
(c) $Zn(s) + H_2SO_4 (aq) → ZnSO_4 (x) + H_2 (y)$
(d) $CaCO_3 (s) →xCaO(s) + CO_2 (g)$

(a) $Pb(NO_3 )_2 (aq) + 2KI(aq) → PbI_2 (s) + 2KNO_3 (aq)$

(b) $Cu(s) + 2AgNO_3 (aq) → Cu(NO_3)_2 (aq) + 2Ag(s)$

(c) $Zn(s) + H_2SO_4 (aq) → ZnSO_4 (aq) + H_2 (g)$

(d) $CaCO_3 (s) →heat   CaO(s) + CO_2 (g)$

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Updated on: 10-Oct-2022

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