Question

Which of the following will weigh maximum amount-

(A) 40 g iron

(B) 1.2 g atom of N

(C) 1 × 1023 atoms of carbon

(D) 1.12 litre of O2 at STP

Answer 1

Correct option: (A) 40 g iron

Explanation:

(A) Mass of iron = 40 g

(B) Mass of 1.2 g atom of N = 14 × 1.2 = 16.8 gm

(C) Mass of 1 × 1023 atoms of C

(D) Mass of 1.12 litre of O2 at STP