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Of the Reactions Below,which One Is a Decomposition Reaction

Question 36

Multiple Choice

Of the reactions below,which one is a decomposition reaction?

A) NH₄Cl → NH₃ + HCl
B) 2Mg + O₂ → 2MgO
C) 2N₂ + 3H₂ → 2NH₃
D) 2CH₄ + 4O₂ → 2CO₂ + 4H₂O
E) Cd(NO₃) ₂ + Na₂S → CdS + 2NaNO₃

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