Question

What is the action of caustic soda on the color of the following? (3)

a. Red litmus b. Phenolphthalein c. Methyl orange​

Answer 1

Answer:

1)Red litmus changes to blue

2)its colour changes to pink

3)its colour changes to golden yellow

Answer 2

A) Red litmus - Caustic Soda turns red litmus blue.

B) Phenolpthalein - It turns pink in colour.

C) Methyl Orange - It turns yellow in methyl orange.