Subject: General Science
Book: NCERT Science Class 8
Electricity can cause chemical changes in substances.
- **Electrolysis**:
- Breakdown of compounds using electric current.
- **Applications**:
- Electroplating, refining metals.
**Possible Exam Questions:**
1. What are the chemical effects of electric current?
2. Explain electroplating with an example.
3. How is electrolysis used in industries?
4. What is the role of electric current in metal refining?
5. Discuss electrochemical cells.
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