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46. NCERT Exemplar: Short answer questions VII

A non-metal A is an important constituent of our food and forms two oxides B and C. Oxide B is toxic whereas oxide C causes global warming.

a. Identify A, B and C.

A = Nitrogen; B = \(NO\), C = \(NO_2\)
A = Carbon; B = \(CO\), C = \(CO_2\)
A = Sulphur; B = \(SO_2\), C = \(SO_4\)

b. To which group of periodic table does A belong?

14th group of the periodic table
13th group of the periodic table
15th group of the periodic table

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