Question
What are acids? How are they produced?
Solution
(a) Acids are sour in taste and change the colour of blue litmus to red, Acid contain H+ ion in solution.
(b) They are produced when oxides of non-metals react with water.
Common acids are: (i) HCl—Hydrochloric acid, (ii) H2SO4—Sulphuric acid, (iii) HNO3— Nitric acid etc.