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Name two other gases which could be used to reduce copper II oxide.

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asked Aug 18, 2021 in Chemistry Form 2 by anony mous

carbon and its compounds
nitrogen and its compounds

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answered Aug 18, 2021 by anony mous

Ammonia gas and carbon (II) oxide gas

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Dry ammonia gas was passed over heated copper(II) oxide.

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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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Name two other substances that behave as dry ice

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Why is H2SO4 not used in making carbon (4) oxide?

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A factory uses 100 kg of ammonia each day to produce 160 kg of nitrogen(II) oxide. Calculate the percentage yield of nitrogen(II) oxide.

asked Jun 21, 2021 in Chemistry Form 3 by anonymous

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Name two other gases which could be used to reduce copper II oxide.

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