Which of these is a chemical property of aluminum?Aluminum has a density of 2.70 g · cm−3Aluminum is silvery white in color.Aluminum is highly reactive.Aluminum is a soft metal.
Hydrogen is very combustible in the presence of oxygen.
Hydrogen is very reactive with most elements.
Hydrogen is the least dense of all elements.
Determine which type of property each statement describes by typing “physical” or “chemical” in the blank.
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