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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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संबंधित प्रश्न
Aluminium carbide reacts with water according to the following equation :
`Al_4C_3 + 12H_2O-> 4Al(OH)_3 + 3CH_4`
1)What mass of aluminium hydroxide is formed from 12g of aluminium carbide?
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[Relatively molecular weight of `Al_4Cl_3 = 144; Al(OH)_3 = 78]`
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What mass of nitric acid will be consumed at the same time?
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Which of the following contains maximum number of molecules?
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Calculate the volume occupied at S.T.P. by 2 moles of SO2.
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