1. It is to test if carbon dioxide is present in the
jar.
2. It will become chalky OR cloudy.
3. It will remain clear.
4. Mouse A: It will take in oxygen and give out
carbon dioxide which makes the limewater
chalky.
Mouse B: It is a toy and cannot breathe, so
the limewater will remain clear.
5. The air blown out by Latiff contained carbon
dioxide which turned the limewater chalky.
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