Calgon is used for water treatment. Which of the following statement is NOT true about Calgon?

Option 1 -

It is also known as Graham's salt.

Option 2 -

It is polymeric compound and is water soluble.

Option 3 -

It doesn't remove Ca2+ ion by precipitation.

Option 4 -

It doesn't remove Ca2+ ion by precipitation.

0 2 Views | Posted 2 months ago
Asked by Shiksha User

  • 1 Answer

  • P

    Answered by

    Payal Gupta | Contributor-Level 10

    2 months ago
    Correct Option - 4


    Detailed Solution:

    It does not contains 2nd most abundant element by weight in earth crust because that is Si Calgon

    W a t e r s o l u b l e 2 N a + [ N a 4 ( P O 3 ) 6 ] 2

    C a 2 + 2 N a + [ N a 2 C a ( P O 3 ) 6 ] 2

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