question_answer

  What are strong and weak acids? In the following list of acids, separate strong acids from weak acids. Hydrochloric acid, citric acid, acetic acid, nitric acid, formic acid, sulphuric acid.

Answer:

                  (a) Sodium hydrogen carbonate is an essential ingredient in most antacids because it is slightly alkaline in nature.                                (1) (b) The process is called chlor-alkali process. Here chlor stands for chlorine and alkali for sodium hydroxide. The amount of hydrogen obtained is very less, thus it is not given in the name of the process.                                       (2)