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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
What happens when Carbon burns in oxygen ? Also give the balanced chemical equation for the reaction.
Fill in the blanks
Oxygen is used in ___________the food to get _______.
What is the source of oxygen gas in air?
Write the percentage of the gases present in air.
______ is the active component of air.
How do plants and animals maintain the balance of oxygen and carbon dioxide in the air?
Write about the reaction of nitrogen with non metals.
How do astronauts breathe when they go beyond the earth’s atmosphere?
How will you prove that air supports burning?
The air in coastal areas have more oxygen.
