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Sources of negative charges on silicate clays is are

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Sources of negative charges on silicate clays is/are

Answer & Solution
Correct Answer: Option D
Silicate clay is the electro-microscopic clay mineral, which a diameter of fewer than 2 microns.
The sources of negative charges on silicate clays are due to exposed crystal edges, Isomorphus substitution and anion exchange.
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1 Comment
Faraz Ahmed
Faraz Ahmed 3 months ago
Anion exchange is not source of negative charge on silicate clays because anion exchange occurs at positively charged sites, whereas negative charges on silicate clays attract and exchange cations. Therefore, anion exchange does not create negative charge. kindly clear my concept.
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