Write a balanced chemical equation for the following reactions
1. When copper is heated in air
2. When aluminum is heated in air
3. Aluminum oxides reacts with sodium hydroxide

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Solution

Both Cu and Al will react with oxygen from air to form their respective oxides,
1) 2 Cu + O₂----> 2 CuO
2) 4Al + 3 O₂ ----> 2 Al₂O₃
3) Al₂O₃ + 2NaOH â†’ 2NaAlO₂ + H₂O

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Write a balanced chemical equation for the following reactions1. When copper is heated in air2. When aluminum is heated in air3. Aluminum oxides reacts with sodium hydroxide

Both Cu and Al will react with oxygen from air to form their respective oxides,1) 2 Cu + O2 ----> 2 CuO2) 4Al + 3 O2 ----> 2 Al2O33) Al2O3 + 2NaOH â†’ 2NaAlO2 + H2O

Write a balanced chemical equation for the following reactions
1. When copper is heated in air
2. When aluminum is heated in air
3. Aluminum oxides reacts with sodium hydroxide

Both Cu and Al will react with oxygen from air to form their respective oxides,
1) 2 Cu + O₂----> 2 CuO
2) 4Al + 3 O₂ ----> 2 Al₂O₃
3) Al₂O₃ + 2NaOH â†’ 2NaAlO₂ + H₂O