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Combination Reaction

Identify the ...

Question

Identify the product(s) which will be formed by using the information provided about the reactants:
$A l (s) + O_{2} (g) \to$

A

{A l}_{2} O_{3}

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B

A l O_{2}

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C

{A l}_{3} O_{2}

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D

{A l}_{2} O_{2}

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E

A l O

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Solution

The correct option is A ${A l}_{2} O_{3}$
Aluminium metal with oxygen gas forms $A l_{2} O_{3}$ .
$4 A l (s) + 3 O_{2} (g) \to 2 A l_{2} O_{3}$

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