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प्रश्न
Why is potassium chlorate not used for laboratory preparation of oxygen ?
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उत्तर
Potassium chlorate needs heating for quite sometime (to a high temperature) before it decomposes.
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संबंधित प्रश्न
A chemical called oxygenated water.
An oxide and a carbonate containing oxygen.
What happens when a glowing splinter is introduced in a jar containing oxygen ?
Fill in the blank :
____________ discovered the oxygen gas.
Why is potassium chlorate is not used for laboratory preparation of oxygen ?
State the precautions while preparing oxygen in the labo-ratory.
Statement given below is incorrect. Write the correct statement :
Moist oxygen causes rusting in carbon.
State any four physical properties of oxygen gas.
Describe what you will observe and write fully balanced equation when the following is introduced in a jar of oxygen.
Burning magnesium
Mention the physical properties of oxygen.
