Choose the weakest acid from the given options.
Citric acid
Nitric acid
Sulphuric acid
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
Choose the correct answer from the options given below: Aqua regia is a mixture of: (a) dilute hydrochloric acid and concentrated nitric acid (b) Concentrated hydrochloric acid and dilute nitric acid (c) Concentrated hydrochloric acid [1 part] and concentrated nitric acid [3 parts] (d) Concentrated hydrochloric acid [3 parts] and concentrated nitric acid [1 part]
The acid produced naturally in our stomach is :
(a) acetic acid
(b) citric acid
(c) hydrochloric acid
(d) sulphuric acid
An acid which can decolourise purple coloured potassium permanganate solution is :
(a) sulphuric acid (b) citric acid
(c) carbonic acid (d) hydrochloric acid