Question

(a)write the chemical formula of the potassium carbonate. (b)name the acid and base from which it is made.
(c)with respect to the strength of water type of acid and base so are they.
(d)what is the chemical nature of the salt

Answer 1

(a)K2CO3
(b)KOH +H2CO3
(c) Acid-weak. Base-strong
(d)This is a basic salt

Answer 2

K2CO3
carbonic acid and potassium hydroxide 
weak acid/ strong base
basic salt