Which of the following is not a mineral acid?
(A) Hydrochloric acid
(B) Citric acid
(C) Sulphuric acid
(D) Nitric acid
Mineral acids are the ones which are derived from inorganic compounds.
Hydrochloric acid, sulphuric acid and nitric acid are mineral acids whereas citric acid is an organic acid.
So, the correct answer is (b) Citric acid