HARDMCQ SINGLEIChO (Chemistry Olympiad)Inorganic Chemistryp-Block (group 13 and 14)Achiever Section

Which of the following is not matched correctly with its use ?

A.Piezoelectric material - Quartz

B.Ion-exchangers - Graphite✓ Correct

C.Filtration platns - Silica

D.Electrical insulators - Silicones

Explanation

Ion exchanger is mainly used in the purification of drinking water. Graphite cannot be used as ion exchanger, because it is very brittle due to its sheer planes until it is modified. Therefore, zeolites can be used as an ion ex- changer.

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