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प्रश्न
In Electrolytic reduction of alumina, Anode : _______ : : Cathode : Graphite lining
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उत्तर
In Electrolytic reduction of alumina, Anode : Set of carbon (graphite) rods : : Cathode : Graphite lining
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संबंधित प्रश्न
Give a reasons for the following:
Carbonate and sulphide ores are usually converted into oxides during the process of extraction of metals.
Why does a new aluminium vessel lose shine so soon after use?
How are the less reactive metals (which are quite low in the reactivity series) extracted? Explain with the help of an example.
Name one ore of aluminium. Name the aluminium compound present in this ore and write its chemical formula.
Name one ore of mercury. Which mercury compound is present in this ore? Write its chemical formula.
The major ore of aluminium is known as ______.
A sulphide ore is converted into metal oxide by the process of ______.
Give the principles of the froth floatation process.
Aluminum is used in thermite welding:
write reaction for process?
Define the following term.
Mineral
Give the chemical formula of :
Cryolite
Which method of refining is used to get 99.8% pure aluminium?
Name : The metal which is liquid at room temperature.
How many valence electrons are present in metals ?
Which one of the following is not true of metal :
Metals are good conductors of electricity.
Mercury, silver, gold are highly reactive metals.
Explain the reactions of nonmetals with water with the help of examples.
Explain the following reaction with the balanced equation.
Dry aluminium hydroxide is ignited at 1000 °C
Explain concept with example/explain with the help of a balanced equation.
Ionic bond and ionic compounds
- Given below are the steps for extraction of copper from its ore. Write the reaction involved.
- Roasting of copper (I) sulphide
- Reduction of copper (I) oxide with copper (I) sulphide.
- Electrolytic refining
- Draw a neat and well labelled diagram for electrolytic refining of copper
