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प्रश्न
Draw a neat labelled diagram for the following experiment.
To study the presence of carbon dioxide in air.
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उत्तर
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संबंधित प्रश्न
How is greenhouse effect produced?
Name two important processes supported by oxygen present in air.
Fill in the blank
Although we cannot see air, we can ___it.
Fill in the blank
Air is a ______ of gases
Describe a simple experiment with the help of a diagram to show that Air exerts pressure
Answer in your own words.
What are the various constituents of air? Write their uses.
State whether the following statement is true or false.
The pressure exerted by air is called atmospheric pressure.
Fill in the blank:
A candle burns in a jar of oxygen, but gets extinguished in ______
Air has variable composition and hence there is ______ oxygen at lower altitudes than at higher altitudes.
Draw a neat labelled diagram for the following experiment.
To prepare oxygen in the laboratory from hydrogen peroxide and a catalyst.
