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प्रश्न
Given below in column A is a schematic diagram of the electrolytic reduction of alumina. Identify the parts labelled as A, B and C with the correct options from the Column B.
| column A | column B | |
 |
1. | Platinum |
| 2. | Anode | |
| 3. | Cathode | |
| 4. | Electrolyte mixture | |
| 5. | Bauxite |
उत्तर
- Cathode
- Anode
- Electrolytic mixture
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संबंधित प्रश्न
Name the solution used to react with Bauxite as a first step in obtaining pure aluminum oxide, in the Baeyer’s process
For the substance given below, describe the role played in the extraction of aluminium.
Sodium hydroxide
Explain with reason:
Carbon can reduce lead oxide but not aluminium oxide.
For graphite, explain its significance in the extraction of aluminium.
Explain the following:
In construction work, why is the alloy of aluminium-duralumin used rather than pure aluminium?
| Aluminium is extracted from its chief ore, bauxite. The ore is first purified and then the metal is extracted from it by electrolytic reduction. |
Name a chemical used for dissolving aluminium oxide. In which state is the chemical used?
The reason for using Aluminium in the alloy duralumin is ______.
In the Hall's process for extraction of aluminium, Give the formula and purpose of fluorspar and cryolite
Explain why it is preferably to use a number of graphite electrodes as anode instead of a single electrode, during the above electrolysis.
The compound that is not an ore of aluminum is ______.
