Which of the following statement is (are) true in case of changes of state?

Options

A. every substance on absorbing heat undergoes change in stte form solid to liquid and liquid to gas at any temperature
B. all substacne do not undergo change in state form solid to liquid and liquid to gas on absorbing heat at nay temperture
C. during change of state there is no change in temperature
D. both b and c

Answer

d

Explanation

When a substacne is undergoing change of state the termperture remains constant but all substacne do not undergo change in their states at any temperature on absorbing or losing heat