Question

List two observations you would record in your notebook 30 minutes after adding iron filings to copper sulphate solution

Answer 1

When iron fillings are added to copper sulphate, the following is observed:

1. The colour of the solution changes from blue to light green.

2. A brown precipitate is formed, this is copper displaced from the copper sulphate solution.

Answer 2

Answer:

When iron fillings are added to copper sulphate, the following is observed:

1. The colour of the solution changes from blue to light green.

2. A brown precipitate is formed, this is copper displaced from the copper sulphate solution.