Engineering Chemistry S Datta

328 ENGINEERING CHEMISTRY
22. (a) State the electronic configuration of titanium. Indicate its position in the periodic table.
(b) Describe the extraction procedure of titanium from its ore.
(c) Give some uses of titanium.
23. (a) How is chromium extracted from Cr 2
O 3
?
(b) Give some uses of chromium.
24. Write notes on:
(i) Nickel
(ii) Manganese
(iii) Cobalt
25. (a) Write down some of the ores of uranium with chemical formula.
(b) With a net flow chart represent the process of uranium metal extraction.
(c) State some uses of uranium.
26. Give an account of zirconium with special reference to its important ores and one method of
extraction.