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प्रश्न
“Air is a mixture”. Support this statement citing at least three evidences.
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उत्तर
“Air is a mixture” The following are in evidences which prove that air is a mixture.
- The composition of air varies from place to place and from time to time.
- The components of air retain their individual properties.
- Liquid air has no definite boiling point.
- No energy exchange occurs when the components of air are mixed with each other.
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संबंधित प्रश्न
Briefly state the importance of Nitrogen.
Write fully balanced equation for the following :
CO2 + H2O →
Fill in the blank
Green plants need ________________to prepare food.
Give a reason why water droplets appear on the outer surface of a tumbler containing ice.
State the utility of oxygen for respiration in plants
Complete the statement given below by filling in the blank with the correct word from the words given:
The component of air which is variable in air above sea level and in air in general ______.
Name the following:
The active component of air which supports combustion and is used up in burning
_____ gas turns lime water milky.
______ is used as a substitute for compressed air in tyres.
Make sentences using the given set of words.
99%, oxygen, nitrogen, air, together
