MetallurgyHard
Question
Which of the following statement(s) is/are true for the extraction of tin from ore cassiterite ?
Options
A.Impurity of wolframite is removed by magnetic separation.
B.The concentrated ore containing 60-70% SnO2 is called as black tin.
C.Tin is obtained by the carbon reduction of SnO2.
D.Anglesite is an another ore of tin.
Solution
(A) Cassiterite ore (SnO2) is separated from magnetic Wolframite (FeWO4 + MnWO4) by magnetic separator.
(B) The purified cassiterite ore containing 60-70% SnO2 is called black tin.
(C) SnO2 + C → SnO + CO↑
(D) Anglesite is PbSO4.
(B) The purified cassiterite ore containing 60-70% SnO2 is called black tin.
(C) SnO2 + C → SnO + CO↑
(D) Anglesite is PbSO4.
Create a free account to view solution
View Solution FreeMore Metallurgy Questions
Froth floatation :...Which of the following is not an ore:...In the extraction of copper from its sulphide ore the metal is formed by the reduction of Cu2O with:...In metallurgical process of aluminium, cryolite is mixed with alumina its molten statebecause it...Which of the following processes is used in extractive metallurgy of magnesium ?...