In this video, you'll learn about dancing naphthalene ball.
you will need:
- citric acid
 - baking soda
 - naphthalene ball
 - 400 ml+ water
 
In this video, you'll learn about the Life cycle of frog. For more video subscribe here. 👇🏻 https://www.youtube.com/c/SmartScienceKid
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