Match the following:
List-I (Process)
A. Hall-Heroult process
B. Mond process
C. Van-Arkel process
D. Zone refining process
List-II (Metal)
I. Ti
II. In
III. Al
IV. Ni
Samples of four metals A, B, C, and D were added one by one to the following solutions. The results obtained were tabulated as follows:
Use the table above to answer the following questions about metals A, B, C, and D:
(i) Which is the least reactive metal?
(ii) What would be observed if C is added to a solution of copper sulphate?
(iii) Arrange the metals A, B, C, and D in the order of their decreasing reactivity.