“$925$ fine silver” means an alloy of :
$7.5 \% \,Ag$ and $92.5\% \ Cu$
$92.5 \% \, Ag$ and $7.5 \% \, Cu$
$80 \% \,Ag$ and $20 \% \, Cu$
$90 \% \,Ag$ and $10 \% \,Cu$
An ornamental of gold having $75\%$ of gold, it is of .............. carat.
Explain the trends in $E_{{M^{3 + }}/{M^{2 + }}}^ o $ electrode potential.
Transition metals are not characterized by
Which of the following will show increase in weight when kept in magnetic field
Zinc forms two important alloys, $(i)$ Brass and $ (ii) $ German silver. Metals present in them mainly are