Question

Maximum density of $H_{2}O$ is at the temperature

• A. 32°F
• B. 39.2°F
• C. 42°F
• D. 4°F

Answer 1

Answer: (B)

39.2°F

Answer 2

Maximum density of water is at 4°C

Also $\frac{C}{5} = \frac{F - 32}{9}$ ⇒ $\frac{4}{5} = \frac{F - 32}{9}$ ⇒ $F = 39.2{^\circ}F$