Join the Most Relevant JEE Main 2025 Test Series & get 99+ percentile! Join Now
Search any question & find its solution
Question: Answered & Verified by Expert
The process used for the removal of hardness of water is
Chemistrys Block ElementsNEET
Options:
  • A Calgon
  • B Baeyer
  • C Serpeck
  • D Hoope
Solution:
1399 Upvotes Verified Answer
The correct answer is: Calgon
Calgon i.e. sodium hexa meta phosphate is used to remove permanent hardness of water.

Looking for more such questions to practice?

Download the MARKS App - The ultimate prep app for IIT JEE & NEET with chapter-wise PYQs, revision notes, formula sheets, custom tests & much more.