Krater
This Chemical Cuts Like a Knife
A video on YouTube. In Science & Engineering, a Krater category.
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The presenter demonstrates a chemical reaction trick that simulates a hand cut and subsequent healing using potassium thiocyanate, ferric chloride, and sodium fluoride.
From the video
Answers: How do you do the chemical cut trick?
- chemical cut trick
- potassium thiocyanate reaction
- ferric chloride reaction
- sodium fluoride reaction
What it concludes
- Potassium thiocyanate reacts with ferric chloride to make dark red iron thiocyanate.
- Sodium fluoride reacts with iron more than thiocyanate, causing the dark red color to disappear.
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