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प्रश्न
Fill in the blank:
_____________ discovered the oxygen gas.
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उत्तर
Joseph Priestley discovered the oxygen gas.
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संबंधित प्रश्न
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water vapour
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Tick (√) the correct alternative from the choice given for the following statement.
The substance which accelerates the speed of a reaction without itself undergoing any change is called
Answer in your own words.
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What is the importance of air in transmission of sound?
Fill in the blank:
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A list of words is given in a box. Use appropriate words to fill up the blank in the following statement.
The ______ makes the windmill rotate.
A list of words is given in a box. Use appropriate words to fill up the blank in the following statement.
Air is a ______ of some gases.
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