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15-11-2022
Physics

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What types of chemical reactions are the following?

1. 2 H2O → 2 H2 + O2

2. 2 C2H6 + 7 O2 → 4 CO2 + 6 H2O

3. 2 Na + Cl2 → 2 NaCl

4. 4 AlBr3 + 3 O2 → 2 Al2O3 + 6 Br2

5. KCl + NaI → KI + NaCl

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