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18-01-2024
Chemistry

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Select all the reactions that represent an oxidation (there may be more than one correct answer, select all that apply).
a. 2H₂+O₂→2H₂O
b. 2Na+Cl₂→2NaCl
c. 2Mg+O₂→2MgO
d. CH₄+2O₂→CO₂+2H₂O

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