Question

66. Which of the following are compounds ?
(i) CO (ii) No (iii) NO (iv) Co
(a) (i) and (ii)
(b)(ii) and (iii)
(c) (i) and (iii)
(d) (ii) and (iv)​

Answer 1

Explanation:

NO and CO are compounds since they are made up of two elements.

Answer 2

Answer:

(c) (i) and (iii)