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CPS Online Chemistry fall – 1-2027
Lab: Physical and Chemical Changes
Question 3
3
Assignment
Multiple Select
Lab: Physical and Chemical Changes
Question 3 • ***CPS Online Chemistry fall – 1-2027
Which reactions performed in the experiment involved chemical changes?
Answer
A
crushing calcium carbonate
B
mixing calcium carbonate and HCl
C
boiling water
D
heating copper (II) sulfate pentahydrate
E
separating iron filing and sulfur
F
mixing potassium iodide and lead nitrate
G
combining magnesium and HCl
H
burning the candle
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