MetallurgyHard
Question
Match List-I with List-II and select the correct answer using codes given below in the lists:
List-I List-II
A. Cyanide process 1. Ultra pure Ge
B. Floatation process 2. Pine oil
C. Electrolytic reduction 3. Extraction of Al
D. Zone refining 4. Extraction of Au
List-I List-II
A. Cyanide process 1. Ultra pure Ge
B. Floatation process 2. Pine oil
C. Electrolytic reduction 3. Extraction of Al
D. Zone refining 4. Extraction of Au
Options
A.A - 3
B - 1
C - 4
D - 2
B - 1
C - 4
D - 2
B.A - 4
B - 2
C - 3
D - 1
B - 2
C - 3
D - 1
C.A - 3
B - 2
C - 4
D - 1
B - 2
C - 4
D - 1
D.A - 4
B - 1
C - 3
D - 2
B - 1
C - 3
D - 2
More Metallurgy Questions
During extraction of copper, it is obtained in the form of molten matte. Which of the following is not true?...It is noticed that ${Pb}^{2 +}$ is more stable than ${Pb}^{2 +}$ but ${Sn}^{2 +}$ is less stable than ${Sn}^{4 +}$. Obse...An non-magnetic ore containing the impurity of FeCr2O4 is concentrated by...Which method of purification is represented by the equations ?...Poling process is used for :...