HARD
10th ICSE
IMPORTANT
Earn 100

What is the importance of calcination and roasting in the extraction of metals?

Important Questions on Metallurgy

MEDIUM
10th ICSE
IMPORTANT
Give the examples of metals which are extracted by electrolytic reduction of their molten oxides or chlorides.
MEDIUM
10th ICSE
IMPORTANT
Name a depressant used in the froth floatation process.
MEDIUM
10th ICSE
IMPORTANT
Define hydrometallurgy.
MEDIUM
10th ICSE
IMPORTANT
Name the metal which is refined by electrolytic method.
EASY
10th ICSE
IMPORTANT
Name the group and period in which aluminium is present in the periodic table.
EASY
10th ICSE
IMPORTANT
Give the chemical formula of bauxite.
MEDIUM
10th ICSE
IMPORTANT
Name the process by which electrolytic reduction of fused alumina is carried out.
HARD
10th ICSE
IMPORTANT
Give the name of mixture present in the middle layer of Hoope’s electrolytic process.