The process of burning is a chemical reaction that uses oxygen as a reactant and produces carbon dioxide as a product. In order for something to burn, oxygen must be present. If we place a burning candle inside a container and seal the container, the candle will go out as soon as the oxygen is used up in the burning chemical reaction. However, if we place a plant inside the container with the candle, the candle will stay lit. Why does this happen?
• Through photosynthesis, the plant will produce carbon dioxide for the candle to stay lit.
• Through photosynthesis, the plant will produce oxygen for the candle to stay lit.
• Through photosynthesis, the plant will use up oxygen for the candle to stay lit.
•Through photosynthesis, the plant will use up smoke for the candle to stay lit.
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Explana carbon dioxide, the ratio of mass of carbon to oxygen is 3 : 8. Therefore, 16g of oxygen is required to completely react with 6 gram of carbon.
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