General Science Chemistry Chemistry in Everyday Life

Permanent hardness of water cannot be removed by which one of the following methods?

1
Treatment with washing soda
2
Calgon’s method
3
Boiling
4
Ion exchange method
5
Not Attempted

Sponsored

hivanix.in

Visit

This quiz is brought to you by hivanix.in

🌐 Web App Development

Other Tools: chatwiz.hivanix.in mmspace.hivanix.in unogame.hivanix.in

Quick Navigation

Home

Subjects

Chapters