Question 50 A non-metal A is an important constituent of our food and forms two oxides B and C. Oxide B is toxic whereas C causes global warming
(a) Identify A, B and C (b) To which Group of Periodic Table does A belong?
Question 40 Carbon, group (14) element in the Periodic Table, is known to form compounds with many elements. Write an example of a compound formed with (a) Chlorine (group 17 of Periodic Table) (b) Oxygen (group 16 of Periodic Table)