Equal weight of zincmetal and iodne ar mixed together and odine is compeletely converted to zncl2.what fractin by weight of original zinc gets uneacted
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1) calcium carbonate decomposes in calcium oxide & carbon dioxide when heated.
2)When heated strongly potassium chlorate decomposes into potassium chlorite and oxygen.
1) silver chloride decomposes into silver and chlorine .
2) hydrogen peroxide decomposes into water and oxygen.
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