AnswersCCPS-2002400-Integrated Science 1 SEM A CR SY27Describing Chemical ReactionsQuestion 9
9
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Describing Chemical Reactions

Question 9 • CCPS-2002400-Integrated Science 1 SEM A (CR) SY27

Which is the correctly balanced equation for the reaction of rust, Fe2O3, and hydrochloric acid, HCl?

Answer
A
Fe2O3 + HCl → FeCl3 + H2O
B
Fe2O3 +3 HCl → 2 FeCl3 + H2O
C
Fe2O3 + 6 HCl → 2 FeCl3 + 3 H2O
D
Fe2O3 + 3 HCl → 2 FeCl3 + 3 H2O
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