How might you tell whether or not your toothpaste contained either calcium carbonate, CaCO3, or baking soda, NaHCO3, without looking at the ingredients label?

A) if the toothpaste bubbles when heated
B) if the toothpaste bubbles when added to ammonia, such as window cleaner
C) if the toothpaste produces a salt (NaCl) when added to HCl
D) if the toothpaste bubbles when added to vinegar


D

Environmental & Atmospheric Sciences

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a. True b. False Indicate whether the statement is true or false

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