Question

Which of the following indicators turn red in an acidic solution? i. Phenolphthalein ii. Litmus iii. Turmeric iv. Methyl orange



(a) i) and ii)

(b) ii) and iii)

(c) only ii)

(d) ii) and iv)​

Answer 1

Answer:

D) ii and iv

Explanation:

Answer 2

Answer:

The correct option is (d) ii and iv.

Explanation:

• When we introduce a damp blue litmus paper to an acidic medium, turns red. The blue litmus paper remains blue in a basic and neutral medium.
• When methyl orange is added to an acidic medium, it turns red. In a basic medium, the color changes to yellow. In a neutral medium, the color is yellow too.

Conclusion:

Blue litmus paper and methyl orange turn red in acidic solution.