Identify the constituent of food based on the given description.
Composed of carbon, hydrogen and oxygen.
Oxygen content is less.
Protect the body against rapid loss of heat.
Carbohydrates
Vitamins
Proteins
Fats
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.