Question

Maximum density of H2O is at the temperature.

(A) 32° F

(B) 39.2° F

(C) 42° F

(D) 4° F

Answer 1

Correct option: (B) 39.2° F

Explanation:

Maximum density of water is at 4° C

Also (C / 5) = [{F – 32} / 9]

(4/5) × 9 = F – 32

∴ F = 39.2° F