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Travka [436]
3 years ago
15

Which of these is an indication that a chemical reaction has occurred? (boiling of a substance ,freezing of a substance, formati

on of a gas, melting of a substance)
Chemistry
2 answers:
Readme [11.4K]3 years ago
8 0

Answer:

Boiling of a substance

Explanation:

When something is boiled, heat is released to the surrounding, making it an exothermic reaction (a type of chemical reaction)

Anna007 [38]3 years ago
5 0

Answer: the answer is formation of gas

Explanation: i took the qwiz and boliing water is wrong

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