|
HCl |
Con. H2SO4 |
HNO3 |
HCl + HNO3 |
NaOH |
Zinc |
Y |
Y |
Y |
Y |
Only when powdered |
Copper |
N |
Y, with heat |
Y |
Y |
N |
Silver |
N |
N |
Y |
N, AgCl formed |
N |
Gold |
N |
N |
N |
Y |
N |
Platinum |
N |
N |
N |
Y |
Y, when hot |
Palladium |
N |
Y, slowly |
Y |
Y |
N |
Aluminium |
Y |
Y |
Y |
Y |
Y |
Iridium |
N |
N |
N |
N |
N |
Osmium |
N |
N |
Y, when con. |
Y |
When NaOH molten |
Rhenium |
N |
Y |
Y, when con. |
Y |
N |
Rhodium |
N |
N |
N |
N |
N |
Tungsten |
N |
N |
N |
Y |
Y, slowly |
Gallium |
Y |
Y |
Y |
Y |
Y |
Sodium |
Y |
Y |
Y |
Y |
Y |
Mercury |
N |
Y, with heat |
Y |
Y |
N |
Y=yes, it is corroded
N=no, it is not corroded