Question

what is base and acid​

Answer 1

here is the ans of your question...

acids are those which ionises rapidly in aqueous solutions to give H+(aq) ions.

they are sour in taste and change the colour of blue Litmus Paper to red

eg HCl,H2SO4 etc

bases are those which ionizes rapidly in aqueous solutions to give OH-(aq) ions.

the are bitter in taste and change the colour of red litmus to blue

eg NaOH, KOH etc

hope this will help you

Answer 2

Base- On hydrolysis it gives OH negative ion. It is bitter in test and feel soapy on touch. It turns red litmus paper blue.

Acid- On hydrolysis it gives H positive ion. It is sour in test and turns blue litmus paper red.