Answers GCSS_Physical Science_IC Describing Chemical ReactionsQuestion 2

2

QuizMultiple Choice

Describing Chemical Reactions

Question 2 • GCSS_Physical Science_IC

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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