AnswersISP ONLY Chemistry S1 Q3000XXEvidence of Chemical ReactionsQuestion 7
7
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Evidence of Chemical Reactions

Question 7 • ISP ONLY: Chemistry S1 Q3000XX

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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