What is the main use of K₂Cr₂O₇ in qualitative analysis? - CHEMICAL KINETICS Quiz | GKFix.in

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Question

What is the main use of K₂Cr₂O₇ in qualitative analysis?

A. To test for sulfate ions
B. To test for nitrate ions
C. To test for bromide ions
D. To test for chloride ions

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