Question

Write down the balanced chemical equation for the following:

i. Dilute Hydrochloric acid is added to copper oxide to give green coloured copper chloride

and water. (1)

ii. Lead nitrate on heating gives lead oxide and nitrogen dioxide and oxygen. ​

Answer 1

1) 2HCl +CuO gives CuCl2 + H20

Answer 2

Answer:

1) 2HCL+CuO ==> CuCl2 + H2O

∆

2) 2Pb(NO3)2 =====> 2PbO +4NO2 + O2