Question

What happens to blue litmus paper when you put it in vinegar?

• A. Blue litmus paper turns red
• B. Blue litmus paper turns dark blue
• C. Blue litmus paper turns black
• D. No change will occur

Answer 1

The correct option is A

Blue litmus paper turns red

Like most pH paper, litmus changes color when exposed to an acidic or basic solution. Blue litmus paper turns red when it is dipped inside an acidic solution. Since vinegar is acidic in nature, it turns blue litmus paper red.