Question

Q 24. What will be the colour of Iron filings and Copper Sulphate solution, when they
react with each other? (1) Before the experiment. (ii) After the experiment.
Give reason for the change in colour. (2)​

Answer 1

Answer:

without knowing what the experiment is ,

how can I answer this

Answer 2

Answer:

Blue colour of the copper sulphate solution changes into green colour & then iron nail acquires a brownish look. This is because that iron is more reactive than copper.

The following chemical reaction takes place in this activity.

Fe+CuSO

4

→FeSO

4

+Cu

In this reaction, iron displaces copper from CuSO

4

solution.