ZIMSEC O Level Combined Science · Interactive experiment

Comparing Inhaled and Exhaled Air – O Level Combined Science Interactive experiment

Breathe through two tubes of limewater to compare the carbon dioxide in inhaled and exhaled air. Free ZIMSEC O Level Combined Science virtual practical you can run in your browser.

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More Combined Science experiments

• Separation of Salt and Sand
• Food Tests
• Photosynthesis
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• Comparing Inhaled and Exhaled Air
• Comparing Oxygen Content Using a Candle
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• Rate of Reaction
• Testing Acids and Bases with Litmus
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