5. Examine the activity series of metals in this table. Name Lithium Barium Symbol Li Decreasing reactivity Ba Strontium Sr Са 1. Calcium Magnesium Mg Zinc Zn Iron Fe Based on the activity series, which metal could X represent in the reaction below? X(s) + Ca(NO; ),(ag)- Ca(s)+ X(NO; ): (ag) Ba b. Fe с. Mg a. d. Zn

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