
Balancing Chemical Reactions
Authored by Courteney Hinkson
Chemistry
9th - 12th Grade
NGSS covered
Used 105+ times

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15 questions
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1.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Balance this equation: H2 + N2 → NH3
H2 + 4N2 → NH3
H2 + 3N2 → 2NH3
3H2 + N2 → 2NH3
2H2 + 2N2 → 2NH3
Tags
NGSS.HS-PS1-7
NGSS.HS-PS1-2
2.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Balance this equation, Al2O3 ---> Al + O2
Cannot be balanced
2Al2O3 ---> 2Al + 3O2
2Al2O3 ---> 4Al + 3O2
3Al2O3 ---> 2Al + O2
Tags
NGSS.HS-PS1-7
3.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
_BaS + _PtF2 → _BaF2 + _PtS
BaS + PtF2 → BaF2 + PtS
4 BaS + 2 PtF2 → BaF2 + PtS
BaS + 2 PtF2→ 2 BaF2 + 2 PtS
BaS + 3 PtF2 → BaF2 + 2 PtS
Tags
NGSS.HS-PS1-7
NGSS.HS-PS1-2
4.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
_Al + _HCl →_H2 + _AlCl3
Al + HCl → 3 H2 + AlCl3
Tags
NGSS.HS-PS1-7
NGSS.HS-PS1-2
5.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
_K + _Cl2 →_KCl
2 K + Cl2 → 2 KCl
K + Cl2 →KCl
Tags
NGSS.HS-PS1-7
6.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
_AlBr3 + _K2SO4 → _KBr + _Al2(SO4)3
6 AlBr3 + K2SO4 → 6 KBr + Al2(SO4)3
2 AlBr3 + 3 K2SO4 → 6 KBr + Al2(SO4)3
AlBr3 + K2SO4 → 2 KBr + 3 Al2(SO4)3
2 AlBr3 + 3 K2SO4 → KBr + 2 Al2(SO4)3
Tags
NGSS.HS-PS1-7
NGSS.HS-PS1-2
7.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
_SO2 + _Li2Se →_SSe2 + _Li2O
SO2 + 2 Li2Se → SSe2 + 2 Li2O
SO2 + Li2Se → 2 SSe2 + 2 Li2O
2 SO2 + 2 Li2Se → SSe2 + Li2O
Tags
NGSS.HS-PS1-7
NGSS.HS-PS1-2
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