Lessons on Balanced and Unbalanced Equations

Lessons on Balanced and Unbalanced Equations

KG - University

34 Qs

quiz-placeholder

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Lessons on Balanced and Unbalanced Equations

Lessons on Balanced and Unbalanced Equations

Assessment

Quiz

Chemistry

KG - University

Hard

NGSS
HS-PS1-7, MS-PS1-1, HS-PS1-6

+2

Standards-aligned

Created by

Charles Martinez

FREE Resource

34 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Solve the problem: Al + S --> Al2S3
Al + 2S --> 2Al2S3
2Al + 3S --> Al2S3

Tags

NGSS.HS-PS1-7

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is a reactant?
The chemical substances that begin the reaction.
What comes from the reaction.

Tags

NGSS.HS-PS1-7

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Is this equation balanced?:                                                     CS2 + 202 --> CO2 +2SO2
Yes
No

Tags

NGSS.HS-PS1-7

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is a coefficient?
The small number on the right of the chemical symbol.
The large number to the left of a formula.

Tags

NGSS.HS-PS1-7

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is a product?
What's left of the chemical reaction.
The beginning formulas.

Tags

NGSS.HS-PS1-6

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

 Mg  +  ___ HCl  →   MgCl2  +   H2
1
2
3
4

Tags

NGSS.HS-PS1-7

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

PCl5  +  ___ H2O  →  ___ HCl  +   H3PO4
4, 5
1, 6
3, 8
2,2

Tags

NGSS.HS-PS1-7

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