For any substance, why does the temperature remain constant during the change of state?
It is due to the latent heat as the heat supplied to increase the temperature of the substance is used up to transform the state of matter of the substance hence the temperature stays constant
Name A, B, C, D, E and F in the following diagram showing a 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 two reasons to justify -
(a) Water at room temperature is a liquid.
(b) An iron almirah is a solid at room temperature.
What is the physical state of water at -