CHEMISTRY - Air & Atmosphere - True or False?

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⚡ Speed Round: True or False?

Topic: Air and Atmosphere

1. Nitrogen is a major supporter of combustion in the air.
2. Anhydrous Copper Sulphate is white but turns blue when water is present.
3. Limewater turns milky when it reacts with Carbon Dioxide.
4. The percentage of Oxygen in the air is approximately 78%.
5. Respiration in plants uses Oxygen and releases Carbon Dioxide.

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