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प्रश्न
Give two tests of the following:
Oxygen
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उत्तर
Oxygen : It is an odourless and colourless gas and turns alkaline pyrogallol brown. It can also be tested by brining a lighted splinter near the gas, if the splinter starts glowing, the gas is oxygen.
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Give balanced chemical equations for the following conversions A, B, and C:

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