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Reactions Quiz

Authored by Jasmine Esparza

Science

8th - 12th Grade

NGSS covered

Used 3+ times

Reactions Quiz
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10 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What type of chemical reaction is this one?
Al(OH)3 --> Al2O3  + H2O

Decomposition
Combustion
Synthesis
Single Replacement 

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What type of chemical reaction is this one?
CUO + CO2 --> CuCO3

Decomposition
Combustion
Synthesis
Single Replacement 

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What type of chemical reaction is this one?
Ca + MgCl2 --> CaCl2 + Mg

Decomposition
Combustion
Synthesis
Single Replacement 

4.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

What coefficients are needed to correctly balance the equation?
_Bi   +   _O2   >   _Bi2O3

3,2,3
2,3,2
4,3,2
none of these

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Why must chemical equations be balanced?

So that the equation doesn't explode

The reaction won't happen until it is balanced

Based on the Law of Conservation of Matter, matter cannot be created or destroyed.

Based on the Law of Conservation of Energy, energy cannot be created or destroyed.e

Tags

NGSS.MS-PS1-5

6.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

What must go in the blank space to balance the equation?

4Fe + ____O2 --> 2Fe2O3

1

2

3

4

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

What are the reactants in the chemical equation pictured?

CH4 and CO2
CH4 and O2
CO2 and H2O
O2 and H2O

Tags

NGSS.MS-PS1-5

NGSS.MS-PS1-2

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