urotropin
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urotropin |
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| navigate by keyword : hand ignite urotropin mixed calcium gluconate chemical decomposition reaction selective focus chemistry lesson experiment fiery home education flame heat scientific formation ash science laboratory fun research pharaoh snake growth equipment chemist homeschooling discovery joyful process substance macro reagent experimental close ejection entertaining high temperature energy fire motion element burn glow grow person ignites concept |
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| Hand ignites urotropin mixed with calcium gluconate, selective focus. Concept of chemistry lesson, chemical experiment |
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Stockphotos.ro (c) 2024. All stock photos are provided by Dreamstime and are copyrighted by their respective owners. |
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