Question

different between acids and alkali

Answer 1

Acids ionises in dissolving in water to give hydrogen ions.
Alkali are the base which are soluble in water

Answer 2

Acid:         An acid is a chemical species that has a pH below 7.

                Aqueous solutions of acids are composed of H+ ions.

               Acids are sour in taste.

               Acids are sticky.

              Acids can be neutralized by bases

Alkaline: An alkaline solution is a chemical that has a pH below 7.

              Aqueous solutions of alkaline are composed of OH– ions

              Alkalines are bitter tasting.

              Alkalines are slippery

              Alkalines can be neutralized by acids.