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13 January, 16:12

Which of the following are correctly balanced reactions? Check all that apply.

A. Mg + FeO 2Fe + MgO

B. 2H2 + O2 2H2O

C. 2K + Br2 2KBr

D. C + Cl2 CCl4

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  1. 13 January, 16:37
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    To determine whether the given chemical reaction is indeed balanced, we just have to do elemental balance in which we determine if there are equal number of the same elements in both sides of the equation. From the choices, the balanced chemical equation are letters B and C.
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