Advertisements
Advertisements
प्रश्न
In the extraction of aluminium: Draw the diagram for the extraction of aluminium.
Advertisements
उत्तर
Extraction of aluminium:
APPEARS IN
संबंधित प्रश्न
In the extraction of aluminium: Name the process of concentration of bauxite.
In the extraction of aluminium: Why is it necessary to replace anodes time to time?
Why do gold ornaments look new even after several years of use?
Name one metal which is extracted by reduction with heat alone.
Describe with one example, how moderately reactive metals (which are in the middle of reactivity series) are extracted.
Explain given equation, what happens when ZnCO3 is heated in the absence of air?
Explain how, mercury is extracted from its sulphide ore (cinnabar). Give equations of the reactions involved.
Which metal can be extracted from the following ore?
bauxite
Which metal can be extracted from the following ore?
Haematite
Aluminum is used in thermite welding:
write reaction for process?
Give the chemical formula of :
Cryolite
The following questions relate to the extraction of aluminium by electrolysis.
Explain why it is necessary to renew the anode periodically.
How many valence electrons are present in non- metals?
What is the difference between calcination and roasting?
In electrolytic reduction of alumina _______ is used as a cathode.
Write the name.
The molecular formula of main ore of aluminium –
Write the molecular formulae of the following compound.
Cryolite
Explain the following reaction with the balanced equation.
Sodium aluminate reacts with water
Explain the following reaction with the balanced equation.
Dry aluminium hydroxide is ignited at 1000 °C
In extraction of copper, the flux used is ____________.
