Question

Raj performed the activity : Activity 1 → Addition of zinc dust into copper sulphate solution.
Activity 2 → Addition of an iron nail into copper sulphate solution

# What was the final colour of solution in both the activities ?

Answer 1

activity 1 : blue colour

activity 2 : green

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Answer 2

Zn+CuSo4=ZnSo4+Cu

(blue) (colourless)

Fe+CuSo4=FeSo4+Cu

(blue) (green)

Copper sulphate is blue while zinc sulphate is colourless and iron sulphate is green in colour.

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