Equations

Equations

8th Grade

15 Qs

quiz-placeholder

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Equations

Equations

Assessment

Quiz

Science

8th Grade

Practice Problem

Hard

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

Standards-aligned

Created by

Lisa Thompson

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15 questions

Show all answers

1.

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

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Is the following equation balanced or unbalanced ? 
Al + O2 --> Al2O3

Balanced

Unbalanced

Tags

NGSS.MS-PS1-5

3.

FILL IN THE BLANK QUESTION

1 min • 1 pt

Balance the following equation by filling in the blank:

N2 + 6H2 → _NH3

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

4.

MULTIPLE CHOICE QUESTION

1 min • 5 pts

Which equation is balanced?

PbO2 + 2H2--> H2SO4

SO2 + H20 --> H2SO4

2Na + 2H2O --> 2NaOH + H2

2Na + 2H2O --> 2NaOH + H

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

5.

MULTIPLE CHOICE QUESTION

1 min • 5 pts

Which side of a chemical equation is the product side?

Left (before the arrow)

Right (after the arrow)

6.

MULTIPLE CHOICE QUESTION

1 min • 5 pts

Which side of a chemical equation is the reactant side?

Left (before the arrow)

Right (after the arrow)

7.

MULTIPLE CHOICE QUESTION

1 min • 5 pts

Which problem is balanced?

PbO2 + 2H2

SO2 + H20 --> H2SO4

2Na + 2H2O --> 2NaOH + H2

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

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