Question

Write uses of k2Cr2o7?

Answer 1

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It is used in dyeing and calico printing. In photography, K2Cr2O7 is used with strong mineral acid as an oxidizing agent to harder the gelatin film. It is used to prepare chromic acid, which is used to clean glassware (like other chromium (VI) compounds, sodium dichromate, chromium trioxide).

Explanation:

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Answer 2

Answer:

uses

Explanation:

potassium chromate is uses in chemical industry