Which of these is a chemical property of aluminum?
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Determine which type of property each statement describes by typing “physical” or “chemical” in the blank. Hydrogen is a colorless, tasteless, and odorless gas. Hydrogen is very combustible in the presence of oxygen. Hydrogen is very reactive with most elements. Hydrogen is the least dense of all elements.
Which of these are physical changes in matter? Check all that apply.
Which of these are chemical changes in matter? Check all that apply.
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