Question 8
A glass of iced water was left on the table in a classroom. Which of the following observations after 1 hour are correct
I. The water level in the glass will increase.
II. Water droplets will be formed on the inner side of the glass.
III. The temperature of the ice remains at zero degree until all the ice has melted.
IV. Formation of the water droplets is due to the condensation of water vapor on the cold outer surface of the glass.

A. I and IV only
B. II and III only
C. I, III and IV only
D. I, II, III and IV
Editorial review: explain the scientific problem in the original choices and justify a qualified conclusion.
I. The water level in the glass will increase.
II. Water droplets will be formed on the inner side of the glass.
III. The temperature of the ice remains at zero degree until all the ice has melted.
IV. Formation of the water droplets is due to the condensation of water vapor on the cold outer surface of the glass.

A. I and IV only
B. II and III only
C. I, III and IV only
D. I, II, III and IV
Editorial review: explain the scientific problem in the original choices and justify a qualified conclusion.