KCET SERIES Chemistry
Refining
3 previous year questions.
Volume: 3 Ques
Yield: Medium
High-Yield Trend
1
2020 1
2017 1
1997 Chapter Questions 3 MCQs
01
PYQ 1997
medium
chemistry ID: kcet-199
The process of zone refining is used in purification of
1
Si
2
Al
3
Ag
4
Cu
02
PYQ 2017
medium
chemistry ID: kcet-201
The metal extracted by leaching with a cyanide is
1
2
3
4
03
PYQ 2020
medium
chemistry ID: kcet-202
Copper is extracted from copper pyrites by
1
Thermal decomposition
2
Reduction by coke
3
Electrometallurgy
4
Auto reduction