How do you coat a copper coin?

A lab coat is also mandatory for this experiment. It serves as a barrier between the skin and any dangerous chemicals involved in the process. These safety precautions are vital to ensure the safety of individuals conducting the experiment.

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Students engage in a process called galvanisation to coat a copper coin with zinc. This technique alters the coin's appearance, transforming its color to silver. The zinc coating serves as a foundational layer for further modifications.

After applying the zinc coating, the coin undergoes a heating process using a blowtorch. The intense heat triggers a chemical reaction between the zinc and copper, resulting in the formation of brass. Brass is characterized by its distinctive gold color, which gives the coin a new aesthetic appeal.

Performing this experiment requires strict adherence to safety measures. Eye protection is crucial to safeguard against potential eye injuries from flying particles or splashes. Gloves provide an additional layer of protection for the hands, preventing direct contact with harmful substances.