AP-EAPCET SERIES Chemistry
Hard Water
1 previous year questions.
Volume: 1 Ques
Yield: Medium
High-Yield Trend
1
2023 Chapter Questions 1 MCQs
01
PYQ 2023
medium
chemistry ID: ap-eapce
The following methods can not be used to remove permanent hardness of water:
1
Treatment with washing soda
2
Ion-exchange method
3
Treating with Calgon
4
Adding calculated amount of lime