Electrochemistry · Grade 10
Zinc in copper sulfate
ChemAI · Worksheet
NameClassDate
Aim
A more reactive metal displaces a less reactive one. Watch the blue fade.
Before you start: what do you predict will happen? Why?
What you do
| Step | What I observed | |
|---|---|---|
| 1 | Add zinc granules to the copper sulfate solution (3–4 portions). | |
| 2 | Heat gently to speed it up and watch the colour fade. |
Questions
- Write a word or symbol equation for one reaction you observed.
- Explain your most important observation using particles, ions or energy.
- Was your prediction right? What would you change to get a more reliable result?