Match the following items in column I with the corresponding items in column II
Column I Column II
(i) (A) Portland Cement ingredient
(B) Castner -Kellner Process
(C) Solvay process
(D) Temporary hardness
(i) (D); (ii) (A); (iii)(B); (iv)(C)
(i) (C); (ii) (B); (iii)(D); (iv)(A)
(i) (C); (ii) (D); (iii)(B); (iv)(A)
(i) (B); (ii) (C); (iii)(A); (iv)(D)
Minerals -
The various compounds of metals which occur in the earth's crust and are obtained by mining are called minerals
- wherein
In the earth crust order of abundance of elements is OSiAlFe
Liquation Process -
This process is based on the difference in fusibility of the metal and impurities.
- wherein
This method is used to purify the metals like Bi,Sn,Pb,Hg etc.
Froth floatation process -
This method is mainly for the concentration of sulphide ores.The method is based on the different wetting characteristics of the gangue and the sulphide ore with water and oil
- wherein
The gangue preferentially wetted by water and the ore by oil.
(i) (D); (ii) (A); (iii)(B); (iv)(C)
Option 2)(i) (C); (ii) (B); (iii)(D); (iv)(A)
Option 3)(i) (C); (ii) (D); (iii)(B); (iv)(A)
Option 4)(i) (B); (ii) (C); (iii)(A); (iv)(D)
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