Match List-I (Metal) with List-II (Process of Extraction) and select the correct answer.Using the codes given below the lists -
List -I List -II
(Metal) (Process of Extraction)
A. Aluminium a. Blast furnace
B. Iron b. Mond process
C. Nickel c. Bayer's process
D. Copper d. Froath floatation
c a b d
Aluminium with iron oxide present as impurities is concentrated by Baeyer's process.
Iron Oxide is reduced in Blast furnace Ni is purified by Mond's process by converting to Ni (CO)4 which is volatile. Copper pyrites as concentrated by froath flotation process