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JEE MAIN 2021
26-08-21 S1
Question
Which one of the following methods is most suitable for preparing deionized water?
Select the correct option:
A
Synthetic resin method
B
Clark's method
C
Calgon's method
D
Permutit method
✓ Correct! Well done.
✗ Incorrect. Try again or view the solution.
Solution
Pure aluminium is obtained when iron from an aluminium mineral is obtained by passing water saturated through a molten mixture of the Al₂O₃ and cryolite.
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