How to make pure gold from jewelry
How to make your used jewelry pure with acid
Half of the amount of used jewelry should be burned with zinc and then burned with nitric acid. After burning with nitric acid, you should wash it thoroughly with water, then dry it with a little fire. Your pure gold was made.
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Half of the amount of used jewelry should be burned with zinc and then burned with nitric acid. After burning with nitric acid, you should wash it thoroughly with water, then dry it with a little fire. Your pure gold was made.
Facebook page- https://www.facebook.com/jsmediabangladesh
YouTube Channel- https://www.youtube.com/jsmediabd
Видео How to make pure gold from jewelry канала JS Media
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