production of an odor is an indicator of (2 points)
physical change
chemical...
Chemistry, 29.01.2020 15:58 random7527
production of an odor is an indicator of (2 points)
physical change
chemical change
phase change
nuclear change
Answers: 3
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When the chemicals iron sulfide (fes) and hydrochloric acid (hcl) are combined, bubbles appear from the mixture. 1. does the appearance of bubbles indicate a physical or chemical change? 2. why do the bubbles indicate this change? 3. what property is this?
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