Multiple choice

Which of the following bases is used as washing soda and for softening hard water?

  1. Sodium hydrogencarbonate

  2. Sodium carbonate

  3. Magnesium hydroxide

  4. Calcium hydroxide

  5. Sodium hydroxide
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

This is the correct option. Sodium carbonate is used as washing soda and for softening hard water.

Keep practicing — related questions