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1) a.Combination Reaction: Hydrochloric acid solution and zinc metal b.Decomposi

ID: 686746 • Letter: 1

Question

1) a.Combination Reaction: Hydrochloric acid solution and zinc metal b.Decomposition Reaction: Solid sodium carbonate and carbon dioxide c.Single replacement: lithium metal and water d. Single replacement sodium metal and water 1) a.Combination Reaction: Hydrochloric acid solution and zinc metal b.Decomposition Reaction: Solid sodium carbonate and carbon dioxide c.Single replacement: lithium metal and water d. Single replacement sodium metal and water

Explanation / Answer

a) 2HCl (aq) + Zn (s) ---> ZnCl2 (s) + H2(g) b) Na2CO3 (s) ----> Na2O (s) +CO2 (g) c) 2Li (s) + 2H2O (l) ---> 2LiOH (aq) + H2(g) d) 2Na (s) + 2H2O (l) ---> 2NaOH (aq) + H2(g) + (lots of sparks)

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