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प्रश्न
Draw a neat labelled diagram for the following experiment.
To determine the component of air used up in burning, by using phosphorus and a bell jar.
उत्तर
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संबंधित प्रश्न
Write ‘True’ or ‘False’ in front of following statement.
Atmospheric nitrogen is directly absorbed by the plants to form plant proteins.
How is air useful to scooters and cars.?
Write ‘true’ or ‘false for the following;
Air is a compound.
Tick (√) the correct alternative from the choice given for the following statement.
Rust is
Answer in your own words.
What are the various constituents of air? Write their uses.
The capacity of air to hold moisture depends upon the ______ of the air.
How is light scattered by the air?
Fill in the blank:
Nitrogen of the air is utilized by plants for formation of _____.
Fill in the blank:
The gas evolved as a product of combustion as well as respiration is ______.
Explain the following observations very briefly
The arrow of weather cock points towards a particular direction at a particular moment.
