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⁣How to Make Golden Pennies | Science Video Meme

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Science Video Meme
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Published on 19 Mar 2020 / In Amazing

⁣How to Make Golden Pennies | Science Video Meme
via: coolchemistryguy / Instagram


⁣First, we put the pennies in Sodium Hydroxide and Zinc. A redox reaction occurs between Zn ions and copper, resulting Zn and copper ions, which makes the silver color. Then, we heat the pennies and we get a mixture of zinc and copper- Brass, which is Gold

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