An acid which can decolourise purple coloured potassium permanganate solution is :
(a) sulphuric acid (b) citric acid
(c) carbonic acid (d) hydrochloric acid
Question 22. Which of the following is not a mineral acid? (a) Hydrochloric acid (b) Citric acid (c) Sulphuric acid (d) Nitric acid
The acid produced naturally in our stomach is :
(a) acetic acid
(b) citric acid
(c) hydrochloric acid
(d) sulphuric acid