1 - 2Na + O2 β Na2O Balanced Not Balanced
2 - 2NaNO3 β 3NaNO2 + O2 Balanced Not Balanced
3 - 2Al + 3Cl2 β AlCl3 Balanced Not Balanced
4- 2P + 3I2 β 2PI3 Balanced Not Balanced
5 - 2Al + 2H3PO4 β 3H2 + 2AlPO4 Balanced Not Balanced
6 - H2O2 β 2H2O + O2 Balanced Not Balanced
7 - 2HCl + CuO β CuCl2 + H2O Balanced Not Balanced
Answers: 2
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1 - 2Na + O2 β Na2O Balanced Not Balanced
2 - 2NaNO3 β 3NaNO2 + O2 Balanced Not Balanced
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