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in an experiment dry hydrogen gas is passed over hot copper (ii) oxide in a combustion tube as shown in the diagram below. (b) describe how copper could be obtained from the mixture containing copper (ii) oxide
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Dec 19, 2021
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Chemistry Form 1
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AgnesMusungu
water and hydrogen
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this pain is passed over heated magnesium ribbon and hydrogen gas was collected as shown in the diagram below. (i) name the gas p (ii) write an equation of the reaction that takes place in the commbustion tube. (iii) state three precautions necessary at the end of the experiment.
asked
Dec 19, 2021
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Chemistry Form 1
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AgnesMusungu
water and hydrogen
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1
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Hydrogen was passed over copper II oxide in a combustion tube.
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Aug 18, 2021
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A mixture of Hydrogen gas and Carbon (IV) oxide are passed through Potassium hydroxide solution as shown below.
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Aug 17, 2021
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anonymous
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Carbon(II) oxide was passed over 4.1g of heated oxide of copper in a combustion tube until there was no further change. The mass of the final substance was found to be 3.29g
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Jun 21, 2021
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Dry ammonia gas was passed over heated copper(II) oxide.
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