Name A, B, C, D E and F in the following diagram showing change in its state.

What Produces more severe burns, boiling water or steam.

Why is ice at 273K more effective in cooling than water at the same temperature ?

Give reason for confirmation— (a) Water is liquid at room temperature. (b) an iron almirah is solid at room temperature.

What is the physical state of water at the following temperatures ? (a) 25°C (b) 0°C (c) 100°C

Arrange the following matters according to increase of force between their particles. (a) Water (b) Sugar (c) oxygen