Which of the following statements is TRUE about acids?

Question

Question

This question was previously asked in

RRB JE CBT I - (Held On: 2 June 2019 Shift 3)

Answer 1

The correct answer is Sour and change blue litmus to red

Key Points

Acids are sour in taste.
Acids change blue litmus to red.
These properties are characteristic of acids, distinguishing them from bases which are bitter and change red litmus to blue.

Additional Information

Litmus is a water-soluble mixture of different dyes extracted from lichens, used as a pH indicator.
In an acidic medium, blue litmus paper turns red, while in a basic medium, red litmus paper turns blue.
Common examples of acids include hydrochloric acid, sulfuric acid, and citric acid.
Acids play a crucial role in various industrial processes and are also found in many everyday substances.