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Chemistry, 28.06.2019 11:00 ezequiel2k
Asap 50 ! which of the following is a change in physical composition? a. an iron nail rusting. b. a purple substance forming when iodine is added to cornstarch. c. vinegar bubbling when baking soda is added. d. a brick being ground up into fine dust. which of the following is a change in chemical composition? a. a white precipitate forming as a result of the combination of two liquids. b. an aluminum cube is rolled into a flat sheet. c. solid butter melting on the stove. d. liquid water freezing to form solid ice. what kind of bond would you expect between h, s and o? a. metallicb. nonec. ionicd. covalentwhich of the following is not one of the three processes of the hydrologic cycle? a. evaporationb. collectionc. condensationd. precipitation
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