which is chemical and which is a physical change

Chemistry
Tutor: None Selected Time limit: 1 Day

Chalk mixed with 3M citric acid

NaCl mixed with 3M citric acid

KCl mixed with 3M citric acid

Baking Soda mixed with 3M citric acid

Sugar mixed with 3M citric acid

Vinegar mixed with 3M citric acid

Sep 28th, 2015

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  1. Chemical change; If chalk, which is a carbonate, is mixed with 3M citric acid, new products are formed indicating a chemical change, with carbon (ii) oxide being expelled out.
  2. Chemical change; hydrochloric acid formed
  3. Chemical change
  4. physical change
  5. physical change

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Sep 28th, 2015

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Sep 28th, 2015
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Sep 28th, 2015
Dec 3rd, 2016
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