Advertisements
Advertisements
Question
Name the metal which is extracted from haematite ore.
Solution
The metal extracted from hematite ore is iron. Hematite ore contains iron (III) oxide (Fe2O3). This iron oxide is extracted by heating it with aluminium. Aluminium acts as a reducing agent and reduces iron (III) oxide to iron
APPEARS IN
RELATED QUESTIONS
Which of the following pairs will give displacement reactions?
Rock salt is an ore of one of the following metals. This metal is:
(a) Mn
(b) Na
(c) Fe
(d) Cu
Give reasons, why aluminum is used in:
In aluminiothermy
Compare the process of calcination and roasting.
What is meant by refining of metals? Name the three common methods used for refining.
Name:
The allotrope of the non-metal carbon which conducts electricity.
How is the method of extraction of metals high up in the reactivity series different from that for metals in the middle? Why can the same process not be applied for them? Name the process used for the extraction of these metals.
In electrolytic reduction of alumina _______ is used as a cathode.
The electrolysis of alumina involves the use of fluorspar and cryolite to increase the melting point.
Write the molecular formulae of the following compound.
Cryolite
