How to judge whether a metal is silver!

The methods to identify whether the metal is silver are:

1, you can go to the gold and silver jewelry store for identification.

2. Inserted into hydrogen sulfide aqueous solution, the color turns black and silver.

3. Put water in the dosage cup first, then put silver, and the incremental part is the volume of silver. If the weight of silver/the volume of silver =10.5g/cm3, it is silver.

How about Weihai Dongfang Fu Jewelry Store?

Which occupation of Warcraft is better?

How about Yuyao Zhou Jia Plastic Import and Export Co., Ltd.

What about the surrounding facilities of Xi 'an Civil Affairs Bureau's family hospital?

Where are the seedlings of Huangling Emerald Pear Tree?

What harm does Foxconn laser station do to people?

Where is the best place to buy gold?

What about Dongying huitaojin e-commerce co., ltd?

Tutorial of making dome model with my world painting software

The most expensive diamond ring brand