Classify each change listed below as either a chemical or physical change in matter.

Question

Column A
1.
Liquid water boiling and becoming steam:
Liquid water boiling and becoming steam
2.
Silver metal tarnishing and becoming silver sulfide.:
Silver metal tarnishing and becoming silver sulfide.
3.
Paper burning:
Paper burning
4.
Bending copper wire:
Bending copper wire
5.
Dissloving salt in water:
Dissloving salt in water
6.
Iron rusting to become iron oxide.:
Iron rusting to become iron oxide.
Column B
a.Physical Change
b.Chemical Change

Answer 1

Column A:
1. Liquid water boiling and becoming steam:
- Chemical Change

2. Silver metal tarnishing and becoming silver sulfide:
- Chemical Change

3. Paper burning:
- Chemical Change

4. Bending copper wire:
- Physical Change

5. Dissolving salt in water:
- Physical Change

6. Iron rusting to become iron oxide:
- Chemical Change

Column B:
a. Physical Change
b. Chemical Change