Question

Which is the best way to determine if an object is made out of pure silver

Answer 1

Test with a magnet.
In particular, use a strong magnet, such as the rare-earth magnet made out of neodymium. Silver is paramagnetic and exhibits only weak magnetic effects. If your magnet sticks strongly to the piece, it has a ferromagnetic core and is not silver.

Answer 2

se bleach to test for silver

Start by carefully pouring just a drop of the bleach onto the item in question. If it is really made of silver, then the coin or jewelry will tarnish and quickly turn black.

Step-by-step explanation: