Which of the following is correct
Gun metal :$Cu + Zn + Sn$
Duralumin : $Al + Cu + Mg + Ag$
German silver : $Cu + Zn + C$
Solder : $Pb + Al$
The atomic radii of the elements are almost same of which series
A substance which is not paramagnetic is
The $3d-$ metal ions are paramagnetic in nature because
Which alloy contains non metal
Metals generally melt at very high temperature. Amongst the following, the metal with the highest melting point will be $......$