comparison between iron nail and copper sulphate solution before and after the experiment explain it
Answers
Answered by
2
Precautions:
Clean the iron nails by rubbing with sand paper to remove rust, dust or greasy surface.
Keep the control experiment to compare the colour of iron nails and copper sulphate solution.
Avoid touching copper sulphate solution or nail dipped in copper sulphate solution as copper sulphate is poisonous
Similar questions