A. Chlorine
B. Washing soda
C. Bleaching powder
D. None of these
Submitted by: Fahad Mehsud
Sodium carbonate, Na2CO3, is also known as washing soda. It can remove temporary and permanent hardness from water. Sodium carbonate is soluble but calcium carbonate and magnesium carbonate are insoluble.
Correct Answer: Washing soda ✔
Last Updated: November 30, 2023