Answers PBCSD_Grade_Forgiveness_2003310_Physical Science_S1_2022 Describing Chemical ReactionsQuestion 3

3

QuizMultiple Choice

Describing Chemical Reactions

Question 3 • PBCSD_Grade_Forgiveness_2003310_Physical Science_S1_2022

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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