Question

What are bases? explain

Answer 1

bases are compound which react with acids to give salt and water only. they are oxides or hydroxides of metals.

bases can be either soluble or insoluble in aqueous solution.

bases which are soluble in water are called alkalies.

they turn red lithmus blue

eg -

soluble base = NaOH
insoluble base = ZnO

Answer 2

hi friend !!
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Base :-
1) they are  chemical substances bitter in taste
2) they are soapy in touch
3)they react with acids to form salts 
4) they turns red litmus paper to blue
For example sodium Hydroxide(NaOH),potassium Hydroxide(KOH) etc.
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