Advertisements
Advertisements
प्रश्न
How will you identify oxygen in the laboratory ?
Advertisements
उत्तर
Oxygen is a colourless and odourless gas which rekindles a glow¬ing splinter.
APPEARS IN
संबंधित प्रश्न
Taking hydrogen peroxide, how would you prepare oxygen in the laboratory ?
The natural way of adding oxygen to air which involves green plants is called
Fill in the blank space by choosing the correct word from the given list.
List: oxygen, carbonic, suIphur dioxide gas, precipitation, helium
Every nine parts of water by weight contains eight parts by weight of _________.
Fill in the blank:
Oxygen is slightly _________ than air.
What happens when Sulphur burns in oxygen ? Also give the balanced chemical equation for the reaction.
What happens when Magnesium burns in oxygen ? Also give the balanced chemical equation for the reaction.
Write ‘True’ or ‘False’ in front of following statement.
Under laboratory conditions, the oxygen gas is insoluble in water.
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 a note on the rusting process.
