presleighjane presleighjane

25-10-2019
Chemistry

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Which of these is an indication that a chemical reaction has occurred? (boiling of a substance ,freezing of a substance, formation of a gas, melting of a substance)

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rantoni96 rantoni96

25-10-2019

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)

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zgraveswippedcream zgraveswippedcream

28-10-2020

Answer: the answer is formation of gas

Explanation: i took the qwiz and boliing water is wrong

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