Question

State the differences between acids and bases.

Explain the difference between acid and base.

Answer 1

	Acids	Bases
1.	These are sour to taste.	These are bitter to taste.
2.	Acids are proton donors or electron acceptors.	Bases are proton acceptors or electron donors.
3.	Acids have a pH value of < 7.	Bases have a pH value > 7.
4.	Acids turn blue litmus red.	Bases do not change the colour of blue litmus.
5.	Acids do not change the colour of red litmus.	Bases turn red litmus blue.
6.	With china rose indicator, these give a dark pink colour.	Bases give green colour with china rose indicator.
7.	Acids do not change the colour of the turmeric indicator.	Bases turn the colour of the turmeric indicator to red
8.	Acid is a substance that contains hydrogen ion (H+)	Bases are substances that contain hydroxyl ion (OH-)
9.	i.e., \[\ce{HCl, H2SO4, H3PO4}\]	i.e., \[\ce{NaOH, KOH, Ca(OH)2}\]