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CGP EDU Academic Team
Published on: August 13, 2026
Calgonis used for water treatment. Which of the following statement is NOT true about calgon?
Text Solution
Verified by ExpertsThe correct answer is:
A
JEE Main 2021
or 
Order of abundance of element in earth crust is
O > Si > Al > Fe > Ca > Na > Mg > K
So second most abundant element in earth crust is Si not Ca.
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