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प्रश्न
Fill in the blank:
Oxygen is slightly _________ than air.
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उत्तर
Oxygen is slightly heavier than air.
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संबंधित प्रश्न
Two substances from which oxygen can be obtained at a large scale.
Taking hydrogen peroxide, how would you prepare oxygen in the laboratory ?
What happens when mercuric oxide is heated?
Statement given below is incorrect. Write the correct statement :
The percentage of oxygen in air by volume, varies from 21% to 22%.
State two characteristics of Acidic oxides.
Complete and balance the following equation
S + O2 →
Fill in the blank space by choosing the correct word from the given list.
List: sulphurous, nitric acid, red lead oxide paint, oxygen, phosphoric
The nitric oxide gas reacts with the oxygen and water vapour to form ______ vapour.
Statement given below is incorrect. Write the correct statement :
The oxygen gas turns moist blue litmus red.
State any four physical properties of oxygen gas.
Give reason for the following:
Oxygen gas does not affect moist blue litmus paper, but carbon dioxide turns it slightly pink.
