Question

C. A water sample, which did not give
lather with soap, was found to contain
Ca(HCO3)2 and Mg(HCO3)2. Which
chemical will make this water give
lather with soap? Explain with the help
of chemical reactions.​

Answer 1

Answer:

Sodium carbonate is used to make hard water soft as it precipitates out the soluble calcium and magnesium salts in hard water as carbonates. Thus, it will make water give lather with soap.

Explanation:

mark as Brainliest

Answer 2

Answer:

please mark me as brainliest

Explanation:

A water sample, which did not give

lather with soap, was found to contain

Ca(HCO3)2 and Mg(HCO3)2. Which

chemical will make this water give

lather with soap? Explain with the help

of chemical reactions.