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2.Read the following description of the element zinc, and indicate which are physical properties and which are chemical properties. Zinc is a silver-gray- colored metal that melts at 420 Degrees Celsius. When zinc granules are added to dilute sulfuric acid, hydrogen is given off and the metal dissolves. Zinc has a hardness on the mohs scale of 2.5 and a density of 7.13 g/cm^3 at 25 degress Celcius. It reacts slowly with oxygen gas at elevated temperatures to form zinc oxide, ZnO