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Three Metallic Elements, Copper, Gold and Zinc, Can Be Distinguished

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Three metallic elements, copper, gold and zinc, can be distinguished from one another on the basis of how they react with two strong acids, HNO3(aq)and HCl(aq). Which set below, using the abbreviations R (for reaction occurs)and NR (for no reaction)correctly describes what occurs? Three metallic elements, copper, gold and zinc, can be distinguished from one another on the basis of how they react with two strong acids, HNO<sub>3</sub>(aq)and HCl(aq). Which set below, using the abbreviations R (for reaction occurs)and NR (for no reaction)correctly describes what occurs?

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