1.

When we exhale we give out a colourless gas. This gas is added to soft drinks to give them atangy 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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