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Sun Light chromium removal technique
UPSC Current AffairsFeatured insight

Hexavalent Chromium

Hexavalent chromium is very dangerous and according to the WHO reports the permissible level of hexavalent and trivalent chromium in drinking water is zero.

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The blog brings together current issues, core concepts and preparation guidance. Use each article to identify the relevant syllabus line, review related previous questions and capture only the facts, arguments and examples worth revising.