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प्रश्न
Statement given below is incorrect. Write the correct statement :
Moist oxygen causes rusting in carbon.
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उत्तर
Moist oxygen causes rusting in iron.
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संबंधित प्रश्न
Why is potassium chlorate not used for laboratory preparation of oxygen ?
Fill in the blank :
Oxygen occupies about _____% of air by volume.
What happens when Sulphur burns in oxygen ? Also give the balanced chemical equation for the reaction.
State the use of manganese dioxide in the laboratory prepa-ration of oxygen from potassium chlorate.
Statement given below is incorrect. Write the correct statement :
Oxygen is prepared in laboratory by treating hydrogen oxide with manganese dioxide.
Write ‘True’ or ‘False’ in front of following statement.
Under laboratory conditions, the oxygen gas is insoluble in water.
Tick (√ ) the most appropriate answer.
When sulphur burns in oxygen, the colour of the flame is :
Give reason for the following:
Oxygen gas does not affect moist blue litmus paper, but carbon dioxide turns it slightly pink.
Oxygen is a poor conductor of heat and electricity.
Write about the combustible property of Oxygen.
