From the following list of substances, choose one substance in each case which matches the description given below: [4 MARKS] Ammonium nitrate, calcium hydrogen carbonate, copper carbonate, lead nitrate, potassium nitrate, sodium carbonate, sodium hydrogen carbonate, zinc carbonate (a) A nitrate which gives out only oxygen when heated. (b) A nitrate which on heating decomposes into dinitrogen oxide [nitrous oxide] and steam. (c) A nitrate which gives off oxygen and nitrogen dioxide when heated.

From the following list of substances, choose one substance in each ca

1.	From the following list of substances, choose one substance in each case which matches the description given below: [4 MARKS] Ammonium nitrate, calcium hydrogen carbonate, copper carbonate, lead nitrate, potassium nitrate, sodium carbonate, sodium hydrogen carbonate, zinc carbonate (a) A nitrate which gives out only oxygen when heated. (b) A nitrate which on heating decomposes into dinitrogen oxide [nitrous oxide] and steam. (c) A nitrate which gives off oxygen and nitrogen dioxide when heated.
Answer» From the following list of substances, choose one substance in each case which matches the description given below: [4 MARKS] Ammonium nitrate, calcium hydrogen carbonate, copper carbonate, lead nitrate, potassium nitrate, sodium carbonate, sodium hydrogen carbonate, zinc carbonate (a) A nitrate which gives out only oxygen when heated. (b) A nitrate which on heating decomposes into dinitrogen oxide [nitrous oxide] and steam. (c) A nitrate which gives off oxygen and nitrogen dioxide when heated.