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
Why lime stone is added In the extraction of lead from galena ?...Modern method of steel manufacturing is...Which one of the following ores is best concentrated by froth - floatation method?...When an impurity in a metal has greater affinity for oxygen and is more easily oxidises than the metal itself. Then, the...Oxidation states of the metal in the minerals haematite and magnetite, respectively, are...