Question

class 7 class 7 decomposition reaction examples formulas​

Answer 1

Answer:

Decomposition Reaction Examples

Carbonic acid in soft drinks decomposes to give carbon dioxide gas.

Hydrogen gas and oxygen gas are released from the decomposition of water.

Digestion of food is a decomposition reaction.

Answer 2

Answer:

2Pb(NO3)2 ——> 2PbO + 4NO2 + O2

ZnCO3 ——> ZnO + CO2

2HgO ——> 2Hg + O2 ( thermal decomposition reaction)