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Which of the following statements about ...

Which of the following statements about the zeolites is false?

A

They are used as cation exchangers

B

Some of the `SiO_4^4` units are replaced by `AlO_4^(-5) and AlO_6^(9-)` ions in zeolites

C

Zeolites are aluminusilicates having three - dimensional network

D

They have open structure which enables them to take up small molecules

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The correct Answer is:
B
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