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Course: Bridge Course Class 9th Science > Unit 2
Lesson 1: Physical and Chemical changesMelting wax vs Burning candle
Let's identify which one's a physical change and which one's a chemical change!
Created by Vibhor Pandey.
Want to join the conversation?
- how much heat was prduced(1 vote)
- If the burning candle doesn't go back to its original form, does that mean that the candle is a puddle of wax forever?(1 vote)