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91¶¶Òõ

Last updated

13 July 2026

PDF, 327.27 KB
PDF, 327.27 KB
PDF, 435.55 KB
PDF, 435.55 KB

Risk Assessment – Melting and Freezing of Stearic Acid (4CH1)
This practical is low‑risk and suitable for GCSE/IGCSE Chemistry classes when standard laboratory precautions are followed. Students heat stearic acid gently in a boiling tube, record temperature changes, and observe the cooling curve as the substance solidifies.

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