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प्रश्न
Write ‘True’ or ‘False’ in front of following statement.
Liquid oxygen is used for burning fuel in spaceships.
विकल्प
True
False
उत्तर
True.
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संबंधित प्रश्न
What is the role of manganese dioxide in the preparation of oxygen?
Fill in the blank :
____________ discovered the oxygen gas.
Statement given below is incorrect. Write the correct statement :
The percentage of oxygen in air by volume, varies from 21% to 22%.
Fill in the blank:
Oxygen is ___________ to litmus testing.
Complete and balance the following equation
S + O2 →
Statement given below is incorrect. Write the correct statement :
Calcium burns in oxygen with a golden-yellow flame.
Write fully balanced equation for the following :
SO2 + H2O →
Give tests for oxygen gas.
Give reason for the following:
Oxygen gas does not affect moist blue litmus paper, but carbon dioxide turns it slightly pink.
Mention the physical properties of oxygen.
