Answered

Which of the following is not an indication of a chemical reaction?

Two substances burst into flames on contact.

A substance freezes.

Bubbles form when two substances are combined.

A solid forms when two substances are combined.

Verified Answer :

Vuk15

The correct answer is a substance freezes. That is because this is a change of a physical property, not a chemical one. This shows that the chemical is still exactly the same and will react the same, it is only different in its state of matter, which is irellevant for its chemical properties. It will still react the way it's supposed to react when combined with other chemicals.

meredithdonovan04

Answer:

B. A Substance Freezes

Explanation:

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