What happens when you soak silver in vinegar. Use the silver Acid Test to see the amount of silver content in the item. How To Clean And Polish Silver Silver Polish Diy How To Clean Silver Cleaning Tarnished Silver Place the lit match tip on the head of the first unlit match. How to test silver with vinegar . If the acid turns the wrong color then its fake. Other metals will not. Ive heard of a lot of people using vinegar to clean silver but I couldnt find a lot of videos or information. A few drops on the item will reveal some details based on the color. For this test you just put a drop of acid on your silver item. If acid turns brown silver is 80 silver. Examine any marks left behind. Pour a tiny drop of vinegar on the scratch. Place a small drop on the silver item and use a small amount of heat either sunlight or even a lighter The silver sulfide will show as a black stain on the surface of the item This wont determine if its solid silver but will tell you if ...