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Question

Which of the following is used as a cleaning agent for domestic purposes and for softening hard water?
  1. Calcium hydroxide
  2. Magnesium hydroxide
  3. Sodium carbonate
  4. Sodium hydrogen carbonate

A
Calcium hydroxide
B
Sodium carbonate
C
Sodium hydrogen carbonate
D
Magnesium hydroxide
Solution
Verified by Toppr

The correct option is A Sodium carbonate
Sodium carbonate decahydrate (Na2CO3.10H2O) also known as washing soda, is used as a cleaning agent and for softening hard water.

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