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1) A series of tests were conducted on an unknown salt to determine its anions and cations. 2) Tests for anions found NO3- to be present based on the evolution of reddish-brown nitrogen dioxide gas when heated with concentrated sulfuric acid and copper turnings. 3) Tests for cations produced a white precipitate with hydrochloric acid, indicating group I cations, and confirmatory tests confirmed Pb2+ through the formation of yellow precipitates with potassium chromate and potassium iodide solutions. 4)

Author

Abinov Kumar KT

Language

EN