3
QuizMultiple Choice
Balancing Chemical Equations
Question 3 of 6 • Roy Summer School 26: Physical Science
Which equation is balanced?
Answer
A
Mg3N2 + H2O 3MgO + 2NH3
B
C3H8 + 5O2 H2O + 3CO2C
Zn + 2HCl ZnCl2 + H2D
3H2SO4 + 2Fe Fe2(SO4)3 + H2Question 3 of 6 • Roy Summer School 26: Physical Science