Question

2. 'One way changes are classified is reversible and irreversible'. Explain with example
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Answer 1

Answer:

Explanation:

Reversible change is an effect on a substance which can be returned to its original state. The change alters only the physical state of the substance. For example :- Boiling of water whereas the change in which a substance can not be re-obtained is known as irreversible change. For example :- Burning of wood

Answer 2

Explanation:

Changes which can be reversed are called reversible changes or physical change. example : by heating water, it becomes vapour and it can become water again after cooling. Changes in which the chemical compositions of a substance changes are the irreversible changes.

Hope It.