Question

The correct statement regarding the universal indicator is : a) it is a indicator having ph=7b) it gives blue color at ph =3 c) it become colourless at ph =7 d) it gives orange color at ph 3

Answer 1

Opt. d is the answer.

Answer 2

The correct statement is option b

Explanation:

The indicators are useful to determine whether a solution is acidic or basic.

There are some natural indicators that determine the pH of the solution.

When the color turns its blue,it determines that the substance is more acidic.

When the color turns into purple or violet, it indicates that the substance is neutral.

But when the color is turning into pink,it indicates the given substance is basic.