1.

Which are the correct uses of potassium dichromate from the following? (i) As an indicator in redox titration (ii) As a reagent in COD measurements (iii) As reducing agent in synthesis of organic compounds (iv) In leather industry

Answer»

(i)
(II) and (IV)
(i) and (III)
(i), (ii) and (iii)

ANSWER :B


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