Multiple choice

When a few drops of colourless phenolphthalein solution were added to a solution, the colour of the indicator changed to deep pink. Which of the following is the solution?

  1. Shampoo solution

  2. Hydrochloric acid solution

  3. Nitric acid solution

  4. Lemon juice solution

  5. Common salt solution

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

This is the correct option. Shampoo solution is basic in nature which turns phenolphthalein solution to dark pink.