Question

.6 Name the solid residual product formed in each reaction and state its colour during -
thermal decomposition of the following substances.
1. Copper nitrate.
2. Ammonium dichromate.
3. Zinc carbonate.
4. Lead nitrate.
5. Calcium hydroxide.​

Answer 1

Explanation:

1.2Cu(NO3)2 gives rise to 2 CuO + 4NO2 + O2

2. (NH4)2Cr2O7 gives rise to N2+H2O+ Cr2O3

3. ZnCO3 gives rise to ZnO + CO2

4. 2Pb(NO3)2 + O2 gives rise to 2PbO +4

NO2+ O2

5. Ca(OH)2 gives rise to CaO + H2O

Hope it helps... Please mark it as the brainliest answer