Home Back

JEE Mains 2020 Model Paper 6 New Pattern

© examsiri.com
Question : 75 of 75
 
Marks: +1, -0
100 mL sample of hard water is passed through a column of ion exchange resin RH2. Water coming off the column requires 16 mL of 0.025 M NaOH, what is hardness in terms of Ca2+ is in ppm?
  • Your Answer:
Validate
Go to Question:
Prev Question