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Which is a chemical property of iron? a. it forms iron oxide (rust) when exposed to moisture and air. b. it is a gray–black metal that is hard to the touch. c. it has a melting point of 2795°f (1536°c). d. it is a good conductor of heat

Which class of molecules functions as chemical signals? hormones water carbohydrates proteins

What is the empirical formula of c6h18o3? ch3o c2h5o c2h6o c2h5o5