Unit 16 · Greenhouse Effect

Carbon Dioxide Gas Presentation

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Science and Technology, Grade 10 · Unit 16

Carbon Dioxide Gas

\( \mathrm{CO_2} \) · Molecular weight 44 · 0.03% of air

Today we will learn

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Sources and discovery of carbon dioxide

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How to prepare and test it in the lab

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Its physical and chemical properties

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Its uses and the fire extinguisher

Where carbon dioxide comes from

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Burning coal, wood, kerosene, wax

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Respiration of plants and animals

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Volcanic eruption

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Decay of organic matter

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Deforestation (artificial source)

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Presenter notes: Why do people who climb down into deep wells sometimes suffocate? Today's lesson answers that.