1. Pyrometallurgy is not suitable for
a. Ca
b. Zn
c. Hg
d. Fe
Carbon reduct...
1. Pyrometallurgy is not suitable for
a. Ca
b. Zn
c. Hg
d. Fe
Carbon reduction process is not
applicable for
A. Fe
b. Zn
c. Cr
d. Sn
3. The metallurgical process, in which the
metal is purified is
a. roasting b. smelting
C. electrolysis d. floatation
Argentite is the mineral of
a. Ag
b. Au
C. Pt
d. Fe
Answers: 1
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