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Why is Potassium Chlorate Not Used for Laboratory Preparation of Oxygen ?

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Question

Why is potassium chlorate not used for laboratory preparation of oxygen ?

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Solution

Potassium chlorate needs heating for quite sometime (to a high temperature) before it decomposes.

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Properties of Oxygen
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Chapter 7: Air and Atmosphere - Exercise II

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Selina Concise Chemistry [English] Class 7 ICSE
Chapter 7 Air and Atmosphere
Exercise II | Q 3.3
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