Extraction of Metals - Result Question 54

####54. Match the anionic species given in Column I that are present in the ore (s) given in Column II.

(2015 Adv.)

Column I Column II
A. Carbonate p. Siderite
B. Sulphide q. Malachite
C. Hydroxide r. Bauxite
D. Oxide s. Calamine
t. Argentite
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Solution:

  1. Siderite =FeCO3, Malachite =CuCO3Cu(OH)2

Bauxite =Al2O32H2O2 consisting some Al(OH)3

Calamine =ZnCO3, Argentite =Ag2S



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