Question

व्हाट ब्रिंग अबाउट द चेंज ऑफ स्टेट ऑफ मैटर ​

Answer 1

Answer:

The change in state of matter of a substance from solid to liquid or from liquid to gas is brought by imparting heat energy to it while the temperature remains constant.

(a) The process of change of a substance from solid state into its liquid state on absorption of heat at a particular temperature is called melting/fusion and the temperature at which it happens is called the melting point.

(b) The process of change of a substance from a liquid state to its gaseous state at a particular temperature is called boiling and the temperature at which it happens is called the boiling point.