CBSE Class 10 Chemistry Chemical Reactions

Q.

The formation of scum of soap in hard water is an example of 



Q.

Zn + 2HCl  ZnCl2 + H2 

This reaction is accompanied by 



Chemical Reactions - Part 2

This video explains the electrolysis of water as a chemical reaction, and the differences between endothermic and exothermic reactions.