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प्रश्न
State true or false.
Bauxite is the main ore of aluminium.
पर्याय
True
False
उत्तर
This statement is True.
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संबंधित प्रश्न
Answer the following questions with respect to the electrolytic process in the extraction of aluminum:
Identify the components of the electrolyte other than pure alumina and the role played by each
For the substance given below, describe the role played in the extraction of aluminium.
Sodium hydroxide
Name three alloys of steel. Give their compositions and uses.
Name the constituents of Duralumin.
For sodium hydroxide, explain its significance in the extraction of aluminium.
Name the ore from which aluminium is extracted.
Aluminium is a more active metal than iron, but suffers less corrosion. Why?
Explain and give reasons why aluminium vessels should not be cleaned with powders containing alkalis.
Write balanced equation for the following reaction:
Aluminium powder is warmed with hot and concentrated caustic soda solution.
Aluminium is extracted from its chief ore bauxite. The ore is first purified and then the metal is extracted from it by electrolytic reduction.
Write an equation for the reaction which takes place at the anode during the extraction of aluminium by the electrolytic process.
Correct the following statement :
Haematite is the chief ore of aluminium.
The following question relate to the extraction of aluminium by electrolysis.
Give the equation for the reaction that takes place at the cathode
Describe the role played in the extraction of aluminum:
Cryolite
During the concentration of bauxite ore, aluminium goes in ______ part because of its ______ nature.
Name the following :
The compound formed by the reaction between calcium oxide and silica.
Name the alloy used for the following purpose.
Making parts of watches
Answer the following question:
Write the chemical formula of one main ore of iron and aluminium.
Name the compound formed when: Bauxite reacts with sodium hydroxide.
State the relevant reason for the following:
A layer of powered coke is used over the electrolytic mixture in Hall Heroult’s process.
In Hall and Heroult's process, products liberated at anode and cathode are ______
