Question

What happens to the colour of litmus paper when you put a drop of acid on it?

• A. It gets destroyed
• B. From red it turns blue
• C. From blue it turns red
• D. It is unaffected by acid

Answer 1

Answer: (C)

From blue it turns red

Answer:- (C) From blue it turns red

Explanation:-

Blue litmus paper turns red under acidic conditions and red litmus paper turns blue under basic or alkaline conditions, with the color change occurring over the pH range 4.5–8.3 at 25 $℃$ (77 $℉$).