explain one activity to show presense of air . explain with diagram
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Answer:
What do u want
cloth, stick
Explanation:
take a cloth and tie it to the stick and go out u will see that the cloth will move from here to there
Conclusion
we can say that the air can't be seen but it can bee felt
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Experiment - to show oxygen and nitrogen component in air using a bell jar.
Apparatus - a trough, a bell jar, a cork, a crucible and a piece of white phosphorus.
Procedure - A trough is filled with and a bell jar is labelled into 5 equal parts.
A crucible which has white phosphorus is placed on a cork is floating in the water.
The level of water inside the jar and outside the jar are adjusted to one level
The phosphorus is ignited by means of an ignited wire.
Observation - The phosphorus burns in air with oxygen and forms dense white fumes of phosphorus pentoxide.
The level of water inside the bell jar rises by 1/5th.
Conclusion - Oxygen is the active component in air which burns phosphorus and nitrogen is the inactive component of air which is not used in burning.
Apparatus - a trough, a bell jar, a cork, a crucible and a piece of white phosphorus.
Procedure - A trough is filled with and a bell jar is labelled into 5 equal parts.
A crucible which has white phosphorus is placed on a cork is floating in the water.
The level of water inside the jar and outside the jar are adjusted to one level
The phosphorus is ignited by means of an ignited wire.
Observation - The phosphorus burns in air with oxygen and forms dense white fumes of phosphorus pentoxide.
The level of water inside the bell jar rises by 1/5th.
Conclusion - Oxygen is the active component in air which burns phosphorus and nitrogen is the inactive component of air which is not used in burning.
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