|
|
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
