One of the following is not an organic acid. This is :
(a) ethanoic acid
(b) formic acid
(c) citric acid
(d) carbonic acid
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