Question

A blue colour solution turn green when a shaving blade is put in it. The colour change is due to the formation of which?​

Answer 1

Answer:

Iron sulphate

Explanation:

In Beaker A,a reddish brown layer of copper will deposit on the iron nail and blue coloured solution of copper sulphate will become yellowish green due to the formation of iron sulphate.

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Answer 2

Explanation:

Copper sulphate (blue) reacts with iron (in shaving blade) to form iron sulphate (green).

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