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Write Balanced Equation for the Following Reaction: Reduction of Copper Oxide by Hydrogen. - Chemistry

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प्रश्न

Write balanced equation for the following reaction:
Reduction of copper oxide by hydrogen.

एक पंक्ति में उत्तर
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उत्तर

Reduction of Copper Oxide by hydrogen :
\[\ce{CuO + H2 + heat -> Cu + H2O}\]

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अध्याय 7: Metallurgy - Exercise 5 [पृष्ठ १८३]

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फ्रैंक Chemistry Part 2 [English] Class 10 ICSE
अध्याय 7 Metallurgy
Exercise 5 | Q 4.1 | पृष्ठ १८३

संबंधित प्रश्न

Name the compound added to pure alumina to lower the fusion temperature during the electrolytic reduction of alumina.


Explain with reason: 

In the electrolytic reduction of alumina, the graphite anode is gradually consumed.


Give equation for the following conversion: Aluminium to aluminium nitride.


Name a non-metallic element which is a liquid at ordinary temperatures


Write balanced equation for the following reaction:
Reduction of lead (II) oxide by carbon.


In order to obtain one tone of aluminium, the following inputs are required:
4 tones of bauxite, 150 Kg of sodium hydroxide and 600 Kg of graphite.
The aluminium compound in bauxite is aluminium oxide and the main impurity is iron (II) oxide. Aluminium is obtained by the electrolysis of aluminium oxide dissolved in cryolite.
(a) When bauxite is treated with sodium hydroxide solution, what happens to:
(i) the aluminium oxide?
(ii) The iron (III) oxide?

Name the following :
A metal oxide that can be reduced by hydrogen


Steel is an alloy of iron and ______.


Name two metallic oxides which cannot be reduced by carbon, carbon monoxide or hydrogen.


The following sketch represents the electroplating of an Iron cup with Nickel metal.

Study the diagram and answer the following questions:

  1. During electroplating, the iron cup is placed at the cathode. Why?
  2. Name the ion that must be present in the electrolyte.
  3. State one condition that is necessary to ensure that the deposit is smooth, firm and even.
  4. Write the reaction taking place at the cathode.
  5. What change would you observe at the anode?

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