Brass is an alloy of
$Zn $ and $ Sn$
$Zn$ and $ Cu$
$Cu, Zn $ and $Sn$
$Cu$ and $Sn$
Which of the following order of atomic radius is not wrong
Technetium, the element below manganese in the Periodic Table, would be expected to have high values for its
$(I)$ melting point $(II)$ boiling point $(III)$ density
Which of the following is the weakest reducing agent
Bullet-proof steel alloy is prepared by using