The physical state of water at 10°C is
Liquid
Explanation for correct answer:
b. Liquid
Explanation for incorrect answers:
a. Solid - The temperature of the solid water, i.e ice is below 0°C.
c. Gas - The temperature of the gas is above 100°C.
d. may be solid or liquid - At 10°C the physical matter is liquid, not solid.
Hence, option b) is the correct answer.