🧪 Are the following statements true? ✅

🇫🇷 French Version

1. The molecules before and after a chemical transformation🔁 are different.

2. The boiling of pure water is a chemical transformation.

3. Carbon combustion🔥 is a chemical transformation.

4. The atoms⚛️ before and after a chemical transformation are identical.

5. Mass does not vary during a chemical transformation. ⚖️

6. During a chemical transformation, volume does not vary.

7. During a chemical transformation, temperature🌡️ does not vary.

📊 RESULT:

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