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प्रश्न
During the concentration of bauxite ore, aluminium goes in ______ part because of its ______ nature.
पर्याय
soluble
insoluble
acidic
basic
amphoteric
उत्तर
During the concentration of bauxite ore, aluminium goes in soluble part because of its amphoteric nature.
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संबंधित प्रश्न
Name the following: A compound added to lower the fusion temperature of electrolytic bath in the extraction of aluminum
Both brass and bronze contain copper as major constituents. Name other elements in these alloys.
For sodium hydroxide, explain its significance in the extraction of aluminium.
For cryolite, explain its significance in the extraction of aluminium.
In order to obtain 1 tonne of aluminium, the following inputs are required: 4 tonnes 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 (III) oxide. Aluminium is obtained by the electrolysis of aluminium oxide dissolved in cryolite.
- Name the process used for the purification of bauxite.
- Write the equation for the action of heat on aluminium hydroxide.
Why is food containing iron salts should not be cooked in aluminium utensils?
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.
In construction work, why is the alloy of aluminium, duralumin used rather than pure aluminium.
Explain the reason:
Why 'food containing iron salts' should not be cooked in aluminium utensils?
State the relevant reason for the following:
A layer of powered coke is used over the electrolytic mixture in Hall Heroult’s process.
The compound that is not an ore of aluminum is ______.
