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प्रश्न
A student burns 10 g of ethanol in an open beaker. After the reaction, no residue is left in the beaker. Does this mean the Law of Conservation of Mass is violated? Explain.
स्पष्ट करा
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उत्तर
No. Ethanol burns to form gaseous products, including carbon dioxide and water vapour, which escape from the open beaker. The total mass is conserved when these products are included.
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