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प्रश्न
Why is potassium chlorate is not used for laboratory preparation of oxygen ?
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उत्तर
Potassium chlorate is a white solid. When it is heated strongly, first it melts and then it begins to boil, giving of oxygen. Potassium chlorate needs strong heating. That is why it is not used for laboratory preparation of oxygen.
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संबंधित प्रश्न
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____________ discovered the oxygen gas.
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