Cryptthewolf Cryptthewolf

06-11-2020
Chemistry

contestada

Which evidence is an indication that a chemical reaction has occurred?

formation of a gas

melting of a substance

boiling of a substance

freezing of a substance

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deckthehorse deckthehorse

06-11-2020

Answer: Formation of a gas

Explanation: All of the other options are examples of physical changes not chemical change

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siddiks25 siddiks25

09-12-2020

Answer:

A. Formation of gas

Explanation:

Took the test and got it correct

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