1.

(a) Ag2O + heat →…………………….(b) MnO2 + 4Al + heat →…………….(c) Cu (OH)2 + heat →………………..(d) ZnCO3 + heat →………………….(e) 2NaNO3 + heat →…………………(f) 2Pb(NO3)2 heat →………………(g) 2AgNO3 + heat →………………..(h) 2Cu2O +Cu2S + heat→…………..(i) HgS + O2 + heat →………………

Answer»

Balanced equations are:

(a) 2Ag2O + heat 4Ag +O2

(b) 3MnO2 + 4Al + heat 3Mn +2Al2O3

(c) Cu (OH)2 + heat CuO + H2O

(d) ZnCO3 + heat → ZnO + CO2

(e) 2NaNO3 + heat 2NaNO2 + O2

(f) 2Pb(NO3)2 + heat 2PbO +4NO2 +O2

(g) 2AgNO3 + heat 2Ag + 2NO2 +O2

(h) 2Cu2O +Cu2S + heat 6Cu + SO2

(i) HgS + O2 + heat Hg +SO2



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