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प्रश्न
Give reason for the following:
Nitric acid can be stored in aluminium containers.
उत्तर
Nitric acid can be stored in aluminium containers because it do not attack aluminium. It renders aluminium passive due to the formation of an oxide film on surface of aluminum.
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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
Aluminium is said to be more reactive than iron, towards oxygen (or air) yet iron undergoes corrosion to a greater extent than aluminum. Explain.
In the Hall's process for extraction of aluminium, Sate the location of cathode and anode and explain what occurs at each electrode.
An aqueous solution of sodium chloride is not used for electrolytic reduction of sodium metal. Why?
For the substance listed below, explain its role in the extraction of aluminium: Bauxite
For the substance listed below, explain its role in the extraction of aluminium: Cryolite
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 chemicals used for dissolving aluminium oxide. In which state of sub-division is the chemical used?
Name the following:
The middle region of the blast furnace.
Answer the following question :
Name a metal which is found abundantly in earth's crust.
Describe the role played in the extraction of aluminum : Graphite
