Question

Q5. Match the following items given in Column A with that in Column B:
Column
Column B
a) Irreversible change
1) Needs mixing of two substances
(1) Needs heating
(0) Reversible change
c) Sawing of a piece of wood
(1) Chemical change
d) Ripening of mango
(iv) A new substance is formed​

Answer 1

Answer:

Hey, Can you send it as and image (face to face written options)

Explanation:

I know these all but not able to understand....