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Materials Required
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* A balloon,
* A bottle of soft drink,
* Juice of a lemon/vinegar,
* 1 teaspoon of baking soda,
* Drinking Straw,
* Little water,
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Method
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- Stretch the balloon well so that air can be blown easily into it.
- Then pour water into the soft drink, add baking soda and mix well with the drinking straw until the baking soda is well dissolved.
- Now pour the lemon juice/vinegar into the bottle and immediately close the bottle’s neck with the stretched balloon.
- Just see your homemade gas blower work.
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What is Learnt
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The combination of an acid and base gives out carbon-di-oxide.
Consuming too many mint candies is not advisable because they release carbon-di-oxide and that can be harmful.
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Conclusion
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Lime is acidic in nature and combines with baking soda to give out carbon-di-oxide that makes an attempt to escape and filled the balloon.
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