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When we exhale we give out a colourless gas. This gas is added to soft drinks to give them a tangy taste. a) How can this gas be tested in the lab? b) Give a word equation to show how this gas can be produced? |
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Answer» Explanation: Answer: 1) When we exhale we give out a colourless gas. This gas is added to soft drinks to give them a tangy taste. How can this gas be tested in the lab? Answer: When carbon DIOXIDE, CO2, enters the LIMEWATER, the limewater BECOMES cloudy. When you exhale into the bottle, the limewater will TURN cloudy. 2) When we exhale we give out a colourless gas. This gas is added to soft drinks to give them a tangy taste. Give a word equation to show how this gas can be produced? Answer: H2CO3 → H2O + CO2, |
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