Question

sodium carbonate placed in a test tube
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Answer 1

Answer:

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Explanation:

The CO is a gas that escapes from the reaction, producing bubbles immediately. Be careful that the test tube is not too filled, as the bubbles may overflow and make a mess. The gas from the bubbles is colorless, odorless, heavier than air, and will extinguish a flame

Answer 2

Answer:

Explanation:

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