Advertisements
Advertisements
प्रश्न
Statement given below is incorrect. Write the correct statement :
The percentage of oxygen in air by volume, varies from 21% to 22%.
Advertisements
उत्तर
The percentage of oxygen in air by volume, varies from 20.8% to 20.9%.
APPEARS IN
संबंधित प्रश्न
Two substances which undergo rapid oxidation.
What happens when a glowing splinter is introduced in a jar containing oxygen ?
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 _________.
State two characteristics of Acidic oxides.
Fill in the blank space by choosing the correct word from the given list.
List: sulphurous, nitric acid, red lead oxide paint, oxygen, phosphoric
Potassium nitrate crystals on heating strongly yield potassium nitrite and ________ gas.
Statement given below is incorrect. Write the correct statement :
The oxygen gas turns moist blue litmus red.
Write ‘True’ or ‘False’ in front of following statement.
Under laboratory conditions, the oxygen gas is insoluble in water.
State three uses of oxygen, other than artificial respiration.
Give reason for the following:
Oxidation of sulphur results in a product which turns moist blue litmus red.
Write about the combustible property of Oxygen.
