Using a strong magnet, you can test gold to see whether it's legitimate or not. If a magnet is attracted to what you've been told is a gold bar or coin, then it's not . 999 fine gold (or 99.9-percent pure).১২ আগস্ট, ২০১৯
How can you test gold at home?
Gold is a non-ferrous metal, which means it won't attract the magnet. So, even if the item is slightly magnetic, but doesn't stick to the magnet, then it's gold-plated. This is common for counterfeit coins that appear to be gold. These coins are only gilded on the surface, but underneath the coating, they are not gold.