Question

15.
Which of the following will weigh maximum amount-
(A) 40 g iron
(B) 1.2 g atom of N
(C) 1 x 1023 atoms of carbon
(D) 1.12 litre of O2 at STP​

Answer 1

Answer:

40 g iron.

Explanation:

Mass of iron = 40 gB Mass of 1.2 g atom of N = 14 × 1.2 = 16.8 gmC Mass of 1 × 1023 atoms of C D Mass of 1.12 litre of O2 at STP