Question

Fill in the blanks:-

(1) A very little energy is either absorbed or evolved in a physical change.
For E.g.______________.
(2) A lot of energy is either absorbed or evolved in a chemical reaction. For E.g.______________.

Answer 1

Answer:

1) Melting 2) Cooking

Explanation:

1)It is because it only needs to melt by absorbing the heat from the surrounding.

2)Whereas, for a chemical change it needs a very large amount of heat or energy to form a a new chemical with a new chemical formula