1.

A non-metal A is an important constituent of food and forms two oxides B and C. Oxide of B is toxic whereas C causes global warming. (a) Identify A, B and C. (b) To which group of Periodic Table does A belong ?

Answer»

Solution :(a) The non-metal A is carbon. Carbon is a constituent of CARBOHYDRATES, PROTEINS and fats.
B = Carbon monoxide (CO)
C = Carbon dioxide `(CO_2)`
CO is a POISONOUS GAS and `CO_2`causes GLOBAL warming.
(b) 14th group.


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