SUMMARY
Section outline
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In summary, this learning module highlights how used cooking oil often viewed as waste, can be transformed into useful non-edible products through simple chemical processes. Students have learned the composition and environmental impact of UCO, the principles of saponification and lye calculation for soap making, and the essential materials and steps involved in producing scented candles. These topics demonstrate the importance of sustainable practices, resource recovery, and basic formulation techniques. Ultimately, learners should be able to appreciate how small-scale waste-to-product innovations contribute to environmental conservation while providing practical skills that can be applied in daily life or introductory laboratory settings.
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