Both test tubes with limewater are ready for testing.
The limewater that came in contact with carbon dioxide that came from our lungs turned white. The water in the contact with the general air remained neutral.
Part B is about to begin where the distilled water shown on the left will come in contact with air from our lungs while the water on the right will come in contact with general air. We will see the difference in pH level after.
The distilled water that came in contact with air from our lungs on the left has become more acidic in pH level while the water that came in contact with general air remained neutral.
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