(i) Write two observations when lead nitrate is heated in a test tube.
(ii) Name the type of reaction.
(iii) Write a balanced chemical equation to represent the above reaction.
(i) It turns yellow due to formation of lead oxide and Reddish brown fumes evolve.
(ii) Thermal decomposition reaction.
(iii) 2Pb(NO3)2 + heat → 2PbO + 4NO2 + O2