MEDIUM
7th ICSE
IMPORTANT
Earn 100

What kind of change rusting of iron is? Can rusting of iron be reversed by applying paint or grease on its surface? Explain giving reason. 
 

Important Questions on Physical and Chemical Changes

MEDIUM
7th ICSE
IMPORTANT
Lakhmir Singh's Science Chemistry>Chapter 2 - Physical and Chemical Changes>WORKSHEET>Q 1

Classify the following change into exothermic and endothermic and physical and chemical changes.

1. Adding water into quick lime