Zeolites Can Be Modified to Remove Heavy Metal from Drinking

question 74

Multiple Choice

Zeolites can be modified to remove heavy metal from drinking water.How is this accomplished?

• A)The pore size in the zeolite is made smaller.
• B)The pore size in the zeolite is increased.
• C)Sodium and potassium ions are bound to the zeolite structure.
• D)Calcium and magnesium cations are replaced with sodium and potassium cations.

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