Question

write observation :
i) lead nitrate is heated
ii) Zinc reacts with dilute hydrochloric acid
iii) Dilute hydrochloric acid is mixed with sodium hydroxide solution ​

Answer 1

Answer:

i) When lead nitrate is heated, it decomposes into lead oxide, nitrogen dioxide and oxygen. The balanced chemical equation for this reaction is 2

Pb (NO3) 2 (s) produces 2PbO + O2. It is thermal decomposition reaction.

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