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Balancing chemical equations

Authored by Jennifer Golminas

Chemistry

10th Grade

NGSS covered

Used 1+ times

Balancing chemical equations
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16 questions

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1.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Is the following equation balanced?

4Fe + 3O2 ---> 2Fe2O3

YES

NO

Tags

NGSS.MS-PS1-5

2.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Is the following equation balanced?

NaHCO3 ---> Na2CO3 + H2O + CO2

YES

NO

Tags

NGSS.MS-PS1-5

NGSS.MS-PS1-2

3.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Is the following reaction balanced?

2CH3OH + 3O2 ---> 2CO2 + 4H2O

YES

NO

Tags

NGSS.MS-PS1-5

4.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Which of the following equations are correctly balanced?

12CO2 + H2O ---> C6H12O6 + O2

CO2 + H2O ---> 3C6H12O6 + O2

CO2 + 9H2O ---> C6H12O6 + O2

6CO2 + 6H2O ---> C6H12O6 + 6O2

Tags

NGSS.MS-PS1-5

NGSS.MS-PS1-2

5.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Balance this equation:

H2 + Cl2 ---> HCl

It is balanced.

H2 + Cl2 ---> 2HCl

3H2 + Cl2 ---> 6HCl

H2 + 3Cl2 ---> 6HCl

Tags

NGSS.MS-PS1-5

6.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Balanced this equation:

Sb2S3 + O2 ---> Sb + SO2

It is balanced.

Sb2S3 + O2 ---> 2Sb + SO2

Sb2S3 + 3O2 ---> 2Sb + 3SO2

3Sb2S3 + 3O2 ---> 2Sb + SO2

Tags

NGSS.MS-PS1-5

7.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Which number should go in the blank?
_ H2 + O2 -> 2 H2O

1
2
3
0

Tags

NGSS.MS-PS1-5

NGSS.MS-PS1-2

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