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4 September, 15:16

The baking soda looked like it dissolved in the vinegar. Sarah and Connor watched as the balloon expanded and filled with a gas. Was this a physical or chemical reaction and why? A) chemical - gas produced B) physical - water bottle got hot C) physical - baking soda dissolved D) chemical - baking soda disappeared

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  1. 4 September, 15:31
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    I think the answer is A - Chemical gas produced
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