State what is observed when:
Excess of ammonia a passed through an aqueous solution of lead nitrate
Explain why only all-glass apparatus should be used for the preparation of nitric acid by heating concentrated sulphuric acid and potassium nitrate.
Write a chemical equation to illustrate the acidic nature of nitric acid.
CaCO3 +2HNO3 ---> Ca(NO3)2 +H2O +CO2
Concentrated sulphuric acid si both an oxidising agent and a non-volatile acid.
Write one equation each to illustrate the above-mentioned properties of a sulphuric acid.
Write balanced chemical equations for the following reactions:
Ethane and oxygen in the presence of molybdenum oxide