Cinnabar is the ore of
$Zn$
$Cd$
$Hg$
$Ag$
Cinnabar $HgS$ is an ore of $Hg$.
Which alloy contains $Cu, Sn$ and $Zn$
Cast iron is used for the manufacture of
Which of the following statement is not correct?
During the extraction of iron, slag produced is
Extraction of aluminium from bauxite ore, reduction is carried out by
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