Balancing Chemical Equations

Balancing Chemical Equations

8th Grade

15 Qs

quiz-placeholder

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Balancing Chemical Equations

Balancing Chemical Equations

Assessment

Quiz

Science

8th Grade

Practice Problem

Hard

NGSS
MS-PS1-5, MS-PS1-2

Standards-aligned

Created by

Lisa Thompson

Used 1+ times

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15 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 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

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is the little number after an element in a chemical equation called?

Coefficient

Atom

Subscript

Equation

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Is the following equation balanced?

NaHCO3 ---> Na2CO3 + H2O + CO2

YES

NO

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Balance this equation:
 2Li + Cl2 -> LiCl

2Li + Cl2 -> 4LiCl2

2Li + Cl2 -> LiCl2

2Li + Cl2 -> 2LiCl

Tags

NGSS.MS-PS1-5

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Is the following equation balanced?...
Al + O2 --> 2Al2O3

Yes!

No!

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What does the Law of Conservation of Mass state?

Matter cannot be gained or lost in a chemical reaction.

Matter can only be lost in a chemical reaction.

Matter can only be gained in a chemical reaction.

Matter can be gained and lost in a chemical reaction. 

Tags

NGSS.MS-PS1-5

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Balance this equation.
_SnO+_H2-->_Sn +_H2O

1,1,2,1

1,2,1,1

1,2,1,2

1,2,2,1

Tags

NGSS.MS-PS1-5

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