Question

Geeta has given some statements about materials given in the box. 

Sugar, Air, Carbon dioxide, Water, Nitrogen, Mercury.

Which of the statements given by her is/are correct? 
(a) Air is a heterogeneous mixture. 
(b) Water, sugar and carbon dioxide are compounds.
(c) Mercury and nitrogen are elements.
(d) Both B and C. 

Answer 1

I think both b and c

Answer 2

Hello friend!
Option (D) is correct