Question

Al+O2=Al2O3.... balance the chemical equation
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Answer 1

Answer:

4Al  +  3O2 = 2AL2O3

because when we take 4 Al than we have to take 2 Al2O3  on other side and when we count the no. of oxygen than we to take 3O2 o n reactant side

so the balanced  equation is 4Al + 3O2 + 2Al2O3