When hydrogen sulphide and sulphur dioxide are each passed in turn into a solution of potassium dichromate?
A.
both gases change the colour of the solution from yellow to colourless
B.
both gases causes sulphur to be deposited
C.
only hydrogen sulphide decolourizes the solution
D.
only sulphur dioxide deposits sulphur
E.
only hydrogen sulphide deposits sulphur
Correct Answer: Option E
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