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Categorizing and Balancing Chemical Reactions

Authored by Michael Emerson

Chemistry

9th - 12th Grade

NGSS covered

Used 161+ times

Categorizing and Balancing Chemical Reactions
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20 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

___C3H8 +___O2 --> ___CO2 + ___H2O

1,5,3,4
2,10,6,8
already balanced
1,5,5,4

Tags

NGSS.MS-PS1-5

NGSS.MS-PS1-2

2.

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

NGSS.MS-PS1-2

3.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

__H2O + __CO2 --> __C7H8 + __O2

4,7,1,9
4,7,1,7
2,3,1,3
already balanced

Tags

NGSS.MS-PS1-5

4.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

How many total atoms are represented?         4Al2O3

2
8
5
20

Tags

NGSS.MS-PS1-1

5.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

A + B → AB : is the general form for which reaction type?

Double Replacement
Synthesis
Combustion
Decomposition

6.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Identify this type of reaction,
Cl2 + 2KI -->  I2 + 2KCl

Synthesis
Single Replacement
Double Replacement
Decomposition

7.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Which of the following is an example of synthesis?

Na + Br--> NaBr
KClO--> KCl + O2
HgO + Cl2-->HgCl + O2
Cl2 + NaBr --> NaCl + Br2

Tags

NGSS.MS-PS1-5

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