Advertisements
Advertisements
प्रश्न
Answer the following questions based on the extraction of aluminium from alumina by Hall - Heroult’s Process :
Name the electrode, from which aluminium collected.
उत्तर
Aluminium is collected at cathode.
APPEARS IN
संबंधित प्रश्न
Name the following:
The property possessed by metals by which they can be beaten into sheets.
In the extraction of aluminium: Write the function and formula of cryolite in the extraction of aluminium.
Name the most abundant metal in the earth's crust.
How is zinc extracted from its carbonate or (calamine)? Explain with equations.
Explain why, an aqueous solution of sodium chloride is not used for the electrolytic extraction of sodium metal.
Which of the following pair of metals exists in their native state in nature?
(a) Ag and Hg
(b) Ag and Zn
(c) Au and Hg
(d) Au and Ag
Give reasons, why aluminum is used in:
making alloys
Give the chemical formula of :
Sodium aluminate
Complete the incomplete statement with missing word:
Non-metals form acidic oxides while metals form ______.
The electrolysis of alumina involves the use of fluorspar and cryolite to increase the melting point.