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Lesson 2
Water and solutions
📖 Lesson
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🎯 Quiz — pick the translation
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✅ Lesson done
Water is H₂O: two hydrogen atoms and one oxygen. It dissolves salt, sugar and much more. When a substance dissolves, we get a solution.
🧂 Not everything dissolves: oil does not disappear in water — it floats as droplets.
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Test yourself!
Quiz — pick the translation →
🖨 Worksheet
Practice the topic with the trainer — like after class