Answers HS Physical Science A - CR Summer School 2026 Lab: Rate of Chemical ReactionsQuestion 9

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Lab: Rate of Chemical Reactions

Question 9 • HS Physical Science A - CR Summer School 2026

Which procedures were followed in this lab to decrease experimental error? Check all that apply.

Answer

A

repeating the experiment three times for each temperature

B

changing the volume of solution during each step

C

using three different temperatures instead of only two

D

using different types of antacids with different chemical formulas

E

using three different surface areas instead of only two

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