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AssignmentMultiple Select

Lab: Physical and Chemical Changes

Question 1 • CHS Chemistry A

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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