Balancing equations
Authored by Chris Hawkins
Chemistry
8th - 11th Grade
NGSS covered
Used 81+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Fill in the missing number:
Mg + ? HCl → MgCl2 + H2
1
2
3
4
Tags
NGSS.HS-PS1-7
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Fill in the missing number:
2 Na + 2 H2O → ? NaOH + H2
1
2
3
4
Tags
NGSS.HS-PS1-7
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Fill in the missing number:
K2CO3 + 2 HCl → ? KCl + H2O + CO2
1
2
3
4
Tags
NGSS.HS-PS1-7
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Fill in the missing number:
? Al + 3 O2 → 2 Al2O3
1
2
3
4
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Fill in the missing numbers:
A Fe2O3 + 3 C → B Fe + 3 CO2
2, 4
2, 3
3, 1
4, 2
Tags
NGSS.HS-PS1-7
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Fill in the missing numbers:
A O2 + CH4 → B H2O + CO2
2, 4
2, 3
2, 2
4, 2
Tags
NGSS.HS-PS1-7
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Fill in the missing numbers:
Li2CO3 + A HNO3 → 2 LiNO3 + H2O + B CO2
2, 4
2, 3
2, 2
2, 1
Tags
NGSS.HS-PS1-7
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