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प्रश्न
Draw a neat labelled diagram for the following experiment.
To demonstrate the burning of sulphur in a jar of oxygen.
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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.
Name two important processes supported by oxygen present in air.
Give two uses of the following component present in air:
water vapour
Name two air pollutants which cause global warming.
Fill in the blank
Air is a ______ of gases
Tick (√) the correct alternative from the choice given for the following statement.
Fuels which do not leave any residue on burning are
Describe a simple experiment with the help of a diagram to show that Air occupies space
Fill in the blank:
A candle burns in a jar of oxygen, but gets extinguished in ______
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.
The composition of air is always exactly the same.
