A solution when treated with gas sulphur, becomes green.Which of the following does the solution contain?
(A) Potassium nitrate
(B) Potassium sulphate
(C) Potassium dichromate (IV)
(D) Potassium Mangnate (VII)
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Answer:
(C) Pottassium dichromate (IV)
Explanation:
I think this is right answer
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