IGCSE Chemistry 🔴 Essential Practical Tests for 2026 Exams - 2-3 easy marks How do you prove a liquid is actually WATER without tasting it? 🤔 This is one of the most common practical and theory questions in Cambridge IGCSE Chemistry 0620 — and students lose easy marks because of wording. In this lesson, we cover both the PHYSICAL and CHEMICAL tests for water exactly how examiners want them written. 🔬 Physical Tests of Water Pure substances melt and boil at fixed temperatures. Water has: • Mel
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