Question

Permanent hardness of water can be removed by adding

a.

chlorine

b.

washing soda

c.

potassium permanganate

d.

bleaching powder

Answer: (b).washing soda

Interact with the Community - Share Your Thoughts

Uncertain About the Answer? Seek Clarification Here.

Understand the Explanation? Include it Here.

Q. Permanent hardness of water can be removed by adding

Recommended Subjects

Are you eager to expand your knowledge beyond General Knowledge? We've handpicked a range of related categories that you might find intriguing.

Click on the categories below to discover a wealth of MCQs and enrich your understanding of various subjects. Happy exploring!