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English Translations » 【设计及技术圈】 » Animated video: 37 principles of chemical reactions and thei

Animated video: 37 principles of chemical reactions and their dangers – Iron rod and copper sulfate.

2021-08-18View Original

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Principle: The rust-removed iron rod is placed in a copper sulfate solution; iron is more reactive than copper, and the copper that is displaced forms beautiful, loose precipitates. The solution was originally blue (due to the color of hydrated copper ions), and as the reaction progressed, the blue color gradually faded. Fun fact: Copper ions do not have a blue color on their own; anhydrous copper sulfate is a white powder. In aqueous solution, the blue coloration is due to copper hexaaqua ions. Recorder: DizzyCtube Risk: Low. Copper solutions are toxic and not edible.

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Translated at 2026-07-26 12:44:06

Original: https://bbs.hcbbs.com/thread-3247923-1-1.html

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