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A solution of which of the following substance is used for white washing?

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A solution of which of the following substance is used for white washing?
1. Calcium oxide
2. Potassium oxide
3. Sodium oxide
4. None of the above.
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Correct Answer - Option 1 : Calcium oxide

The correct answer is Calcium oxide.

  • A solution of Calcium oxide is used for whitewashing is also called quick lime. Its formula is CaO.​

  • Calcium hydroxide is also known as slaked lime, Ca(OH)2.
  • It is an odourless and slightly bitter alkaline taste.
  • It is slightly soluble in water.
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