मराठी

Complete the Following by Selecting the Correct Option from the Choices Given : the Metal Whose Oxide, Which is Amphoteric, is Reduced to Metal by Carbon Reduction ________ - Chemistry

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प्रश्न

Complete the following by selecting the correct option from the choices given :
The metal whose oxide, which is amphoteric, is reduced to metal by carbon reduction ________

पर्याय

  • Fe

  • Mg

  • Pb

  • Al

MCQ
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उत्तर

The metal whose oxide, which is amphoteric, is reduced to metal by carbon reduction Pb.

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  या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
पाठ 7: Metallurgy - Exercise 11 [पृष्ठ १८९]

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फ्रँक Chemistry Part 2 [English] Class 10 ICSE
पाठ 7 Metallurgy
Exercise 11 | Q 5.2 | पृष्ठ १८९

संबंधित प्रश्‍न

Give equation for the following conversion: Aluminium hydroxide to aluminium oxide.


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


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Write balanced equation for the following reaction:
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Write balanced equation for the following reaction:
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If fused metallic chloride is electrolyzed, at which electrode would the metal be obtained?


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?

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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