Answers2003350 Chemistry HONORS Sem 1 - MarezEvidence of Chemical ReactionsQuestion 9
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Evidence of Chemical Reactions

Question 9 • 2003350 Chemistry HONORS Sem 1 - Marez

Which of the following happens during a chemical change? Check all of the boxes that apply.

Answer
A
One atom or more changes into atoms of another element.
B
New substances with different properties are formed.
C
Solids, liquids, or gases may form.
D
Reaction mixtures always give off some heat.
E
Reaction mixtures always need to be heated.
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