Calgon is used for water treatment. Which of the following statement is NOT true about Calgon?
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.
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1 Answer
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Correct Option - 4
Detailed Solution:It does not contains 2nd most abundant element by weight in earth crust because that is Si Calgon
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