5
Question Question 5
What is the physical state of water at?
(a) 25°C
(b) 0°C
(c) 100°C?
(a) At 25°C (normal room temperature) — liquid state
(b) At 0°C (freezing point) — Both solid and liquid phases are observed
(c) At 100°C (boiling point) — Both liquid and gaseous phases are observed