1.

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?

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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