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प्रश्न
State the use of manganese dioxide in the laboratory prepa-ration of oxygen from potassium chlorate.
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उत्तर
In the laboratory preparation of oxygen from potassium chlor¬ate, manganese dioxide acts as a catalyst i.e. it increase the rate of production of oxygen without getting itself consumed.
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संबंधित प्रश्न
Why is oxygen collected by downward displacement of water?
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Fill in the blank :
____________ discovered the oxygen gas.
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Statement given below is incorrect. Write the correct statement :
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Write a note on the rusting process.
