aliensbrain
  • Home
  • Study
  • Quizzes
  • 🎤AI Practicefree
  • Notebooks
  • Community
  • Sign in
  • Mixed Chemistry
  • Which of the following is used for softening hard water?
Multiple choice

Which of the following is used for softening hard water?

  1. (NaPO3)6

  2. Ca(NO3)2.NH4NO3

  3. Ca(H2PO4)2.+CaSO4.2H2O

  4. KNO3

  5. None of these

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

This option is correct because sodium hexametaphosphate is a polymeric salt of metaphosphoric acid. It is used for softening hard water under the trade name calgon.

Keep practicing — related questions

  • Which of the following is sodium compound used for softening hard water?
  • Hard water can be softened by the addtion of a compound called calgon. Chemical Name of Calgon is ______.
  • Which of the following bases is used as washing soda and for softening hard water?
  • Which of the following options will be used to display number of blocks used by a file?
  • You are planning to use Calculated Key Figures. Which of the following statements are true? (More than one ...
  • Which of the following options would you use to examine the contents of anarchive without extracting it?
  • Complete the following statement. ____________ define the interface as seen by the end user, and are used b...
  • Which of the following functions is used to convert a date to a string in the specified format?
Play the full quiz 🎤 Practise this topic out loud

Practice this topic

  • Common Chemical Compounds and Reactions (1197 questions)
Advertisement
© Aliensbrain | all rights reserved
  • About
  • Contact
  • Terms and Condition
  • Privacy Policy