Q.
Fill in the blanks with the correct choice.
The undesired impurities present in the ores are called $(i)$. To remove the volatile impurities from the ore, the $(ii)$ process is carried out. Flux combines with non-fusible impurities to form
$(iii)$. $CaO$ acts as a $(iv)$ flux.
(i)
(ii)
(iii)
(iv)
(a)
gangue
roasting
slag
acidic
(b)
gangue
calcination$\,\,\,$
slag
basic
(c)
anode mud$\,\,\,$
leaching
matrix
acidic
(d)
gangue
roasting
solution$\,\,\,$
acidic
| (i) | (ii) | (iii) | (iv) | |
|---|---|---|---|---|
| (a) | gangue | roasting | slag | acidic |
| (b) | gangue | calcination$\,\,\,$ | slag | basic |
| (c) | anode mud$\,\,\,$ | leaching | matrix | acidic |
| (d) | gangue | roasting | solution$\,\,\,$ | acidic |
General Principles and Processes of Isolation of Elements
Solution: