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प्रश्न
Fill in the blank:
Oxygen is slightly _________ than air.
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.
What is the role of manganese dioxide in the preparation of oxygen?
Why is oxygen collected by downward displacement of water?
What happens when a glowing splinter is introduced in a jar containing oxygen ?
The natural way of adding oxygen to air which involves green plants is called
What happens when Magnesium burns in oxygen ? Also give the balanced chemical equation for the reaction.
Complete and balance the following equation
\[\ce{N2 + O2 ->[3000°C]}\]
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.
Give reason for the following:
Oxygen gas does not affect moist blue litmus paper, but carbon dioxide turns it slightly pink.
Give reason for the following:
Oxidation of sulphur results in a product which turns moist blue litmus red.
