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Questions  >>  JEEMAIN and NEET  >>  NEET PAST PAPERS  >>  2004
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Q)

Which one of the following statements about the zeolites is false :-


( A ) They are used as cation exchangers.
( B ) Zeolites are aluminosilicates having three dimensional network
( C ) Some of the $SiO^{4-}_{4}$ units are replaced by $AlO^{5-}_{4}$ and $AlO^{9-}_{6}$ ions in zeolites
( D ) They have open structure which enables them to take up small molecules

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