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SSC GD 2023 PYQ — Question 31

SSC GD Constable (English) - 2 Feb 2023 - Shift 1 • General Awareness • Q31

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The chemical formula of washing soda is _______.

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Correct answer: A

Explanation

The Correct answer is option 1 i.e. Na2CO3.10H2O

  • The correct chemical formula for washing soda is Na2CO3.10H2O. It is commonly used in laundry and cleaning processes.
  • It is a hydrated form of sodium carbonate, often referred to as sodium carbonate decahydrate, indicating the presence of ten water molecules (10H2O) in its structure.
  • The chemical formula Ca(OH)2  represents calcium hydroxide. It is also known as slaked lime or hydrated lime.
  • The chemical formula Na2SO4 represents sodium sulfate.
  • The chemical formula NaHCO3 represents sodium bicarbonate, commonly known as baking soda.