Question

Arun observed that the turmeric stain on his white dress turned reddish brown while

scrubbing his clothes with soap. What may be the possible reason?

i) Soap is acidic in nature

ii) Soap is basic in nature.

iii) Turmeric contains red litmus.

iv) Soap solution is neutral​

Answer 1

Answer:

Answer is option [ii]

Explanation:

Because Soap is basic in nature

Answer 2

On washing with soap, a turmeric stain on the cloth turns red because ii) Soap is basic in nature.

• Turmeric is a natural Indicator.
• It has presence of tartaric acid in it.
• So it turns red on the basic medium and remains yellow in the acidic medium.
• Soap is basic in nature, so it turns red in basic solutions.