Classifying and Balancing Chemical Reactions Review

Classifying and Balancing Chemical Reactions Review

6th - 12th Grade

28 Qs

quiz-placeholder

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Classifying and Balancing Chemical Reactions Review

Classifying and Balancing Chemical Reactions Review

Assessment

Quiz

Other Sciences

6th - 12th Grade

Hard

Created by

Charles Martinez

Used 18+ times

FREE Resource

28 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In a chemical reaction what quantity is conserved?
Mass
Number of Atoms
Number of Compounds
Both Mass and Number of Atoms

2.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

In the equation, 2Mg + O2 ---> 2MgO, which are the reactants?
Mg and O
MgO
Mg and MgO
O and MgO

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In chemical reactions, the law of conservation of mass is......
disobeyed
does not apply
obeyed
used sometime

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Balance this equation, Ca + H2O --> CaO + H2
Ca + 2H2O --> CaO + 2H2
2Ca + H2O --> CaO + H2
Ca + H2O --> CaO + H2
Cannot be balanced

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Balance this equation, Al2O3 ---> Al + O2 
Cannot be balanced
2Al2O3 ---> 2Al + 3O2 
2Al2O3 ---> 4Al + 3O2 
3Al2O3 ---> 2Al + O2 

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What type of reaction is this: CO2 + H2O --> H2CO
Decomposition
Single Replacement
Synthesis
Combustion

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What type of reaction is this, C4H12 + O2 --> H2O + CO2
Decomposition
Single Replacement
Double Replacement
Combustion

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