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- 1. Multiple Choice
What type of reaction involves the breaking down of a substance into simpler substances?
Single Displacement Reaction
Double Displacement Reaction
Synthesis Reaction
Decomposition Reaction
- 2. Multiple Choice
What type of reaction involves 2 substances combining to form 1 new compound?
Decomposition Reaction
Single Displacement Reaction
Double Displacement Reaction
Synthesis Reaction
- 3. Multiple Choice
What type of reaction involves one element replacing another element in a compound?
Single Displacement Reaction
Double Displacement Reaction
Synthesis Reaction
Decomposition Reaction
- 4. Multiple Choice
What type of reaction involves ions from 2 compounds exchanging places to form 2 completely new compounds?
Single Displacement Reaction
Double Displacement Reaction
Synthesis Reaction
Decomposition Reaction
- 5. Multiple Choice
What are the reactants in the chemical equation pictured?
CH4 and CO2
CH4 and O2
CO2 and H2O
O2 and H2O
- 6. Multiple Choice
What are the products of the chemical reaction pictured?
CH4 and CO2
CH4 and O2
CO2 and H2O
O2 and H2O
- 7. Multiple Choice
The reactants are on the left side of the chemical equation.
True
False
- 8. Multiple Choice
What type of chemical reaction is this one?
Al(OH)3 --> Al2O3 + H2O
Decomposition
Combustion
Synthesis
Single Replacement
- 9. Multiple Choice
What type of chemical reaction is this one?
CUO + CO2 --> CuCO3
Decomposition
Combustion
Synthesis
Single Replacement
- 10. Multiple Choice
What type of chemical reaction is this one?
Ca + MgCl2 --> CaCl2 + Mg
Decomposition
Combustion
Synthesis
Single Replacement
- 11. Multiple Choice
The right side of the equation below is called the
products
reactants
- 12. Multiple Choice
What type of reaction is illustrated below?
2HI --> H2 + I2
synthesis
decomposition
single replacement
double replacement
- 13. Multiple Choice
What type of reaction is illustrated below?
Zn + H2S --> ZnS + H2
synthesis
decomposition
single replacement
double replacement
- 14. Multiple Choice
What type of chemical reaction is this one?
C2H2 + O2 --> CO2 + H2O
Decomposition
Combustion
Synthesis
Single Replacement
- 15. Multiple Choice
Evidence of a chemical reaction include:
Phase change
No new substance
Bubbles forming
Shape change
- 16. Multiple Choice
3KOH + H3PO4 --> K3PO4 + 3H2O
Combination
Decomposition
Single replacement
Double replacement
- 17. Multiple Choice
When a scientist mixed two chemicals, an exothermic reaction takes place. Which of the following would be proof that the reaction was exothermic?
a change of color
a change of state
a temperature decrease
a temperature increase
- 18. Multiple Choice
HNO₃ + NaOH → NaNO₃ + H₂O
Neutralization/acid base
Single Replacement
Combustion
Double Replacement
- 19. Multiple Choice
2Na +S → Na2S
Double Replacement
Decomposition
Combustion
Synthesis
- 20. Multiple Choice
2 NO2 ---> 2 O2 + N2
Synthesis
Single Replacement
Decomposition
Combustion
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