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Balancing Chemical Reactions

Authored by Barry Archie

Science

9th - 12th Grade

NGSS covered

Used 9+ times

Balancing Chemical Reactions
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10 questions

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1.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

__Na + __Cl2 --> __NaCl

1,1,2
2,1,2
2,1,1
already balanced

Tags

NGSS.MS-PS1-5

2.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

__NaClO--> __NaCl + __O2

2,2,2
2,2,3
3,2,2
1,2,3

Tags

NGSS.MS-PS1-5

NGSS.MS-PS1-2

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Balancing this reaction: ____ CH4 + ____ O2 ---> ____ CO2 + ____ H2O

2,1,3,1
1,2,1,2
1,2,2,1
2,1,1,2

Tags

NGSS.MS-PS1-5

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Balance this reaction: ____ NaF + ____ Br2 ---> ____ NaBr + ____ F2

3,1,2,1
1,2,3,4
2,1,2,1
1,2,1,2

Tags

NGSS.MS-PS1-5

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Balance this reaction: ____ BaS + ____ PtF2 ---> ____ BaF2 + ____ PtS

1,1,1,1
1,2,1,1
1,1,1,2
2,1,1,1

Tags

NGSS.MS-PS1-5

6.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

What do the coefficients need to be in the following equation in order to be balanced?
_Mg + _Cl→ _MgCl2

1, 2,1
already balanced
2,1,1
1,1,2

Tags

NGSS.MS-PS1-5

7.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Balance this equation:
Al2O3 -> Al + O2 

2Al2O3 -> 2Al + 3O2 
2Al2O3 -> 4Al + 3O2 
3Al2O3 -> 2Al + O2 
2Al2O3 -> 3Al + 2O2 

Tags

NGSS.MS-PS1-5

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