Advertisements
Advertisements
Question
Bauxite has the composition
Options
\[\ce{Al2O3}\]
\[\ce{Al2O3.{n}H2O}\]
\[\ce{Fe2O3.2H2O}\]
None of these
Advertisements
Solution
\[\ce{Al2O3.{n}H2O}\]
APPEARS IN
RELATED QUESTIONS
Purification of aluminium by electrolytic refining is carried out by
(a)Hoope process
(b)Hall process
(c)Baeyer process
(d)Serperck process
What is the role of limestone in the extraction of iron from its oxides?
In the extraction of Al, impure Al2O3 is dissolved in conc. NaOH to form sodium aluminate and leaving impurities behind. What is the name of this process?
Differentiate between “minerals” and “ores”.
Explain the following methods to protect metals from corrosion:
Galvanization
What happens when a nickel rod is dipped into a copper sulphate solution? Justify your answer.
[\[\ce{E{^{\circ}_{Ni^{+2}/Ni}}}\] = − 0.25 V and \[\ce{E{^{\circ}_{Cu^{+2}/Cu}}}\] = +0.34 V]
Give the uses of zinc.
The most abundant metal on earth is:
The important ore of iron is:-
Pyrolusite is ______.
