Q1 of 40 Page 50

Aqueous solution of a base :

Bases convert red litmus into blue whereas acids convert blue litmus into red. This means aqueous solution of base will also convert red litmus into blue.

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2

Solutions of acid and base are electrically:

 3

pH is negative log of concentration of which ions of any acidic solution is :

 4

pH of any acidic solution is :

 5

The digestion of food in our stomach occurs in which medium?