1.

From the following list of substances, choose one substance in each case which matches the description given below:Ammonium nitrate, calcium hydrogen carbonate, copper carbonate, lead nitrate, potassium nitrate, sodium carbonate, sodium hydrogen carbonate, zinc carbonate.(a) A nitrate which gives off 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»

(a) Potassium nitrate

(b) Ammonium nitrate

(c) Lead nitrate



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