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CLEP Chemistry Practice Test

Category - Chemistry

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Under certain conditions, solid magnesium (Mg) and solid sulfur (S) can combine and form magnesium sulfide (MgS). The oxidation-reduction reaction is shown below.Mg(s) + S(s) → MgS(s) Which of the following is the oxidation number for Mg in MgS in this reaction?

+1
-1
+2
-2

Explanation

Answer: C - +2

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CLEP Chemistry Practice Test

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CLEP Chemistry Practice Test

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