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Chemistry, 10.07.2019 14:30 sbelgirl2000
Josh decided to mix some vinegar with baking soda. he knew that a reaction occurred because he made careful observations. he noted that the mixture started to foam up and bubble and was white in color. how did josh know that a chemical reaction occured? he was sure a reaction occurred because of a) the formation of a gas. b) the color of the mixture. c) the smell of the vinegar. d) the volume of the mixture.
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