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- 1. Multiple Choice
Which of the following is NOT a diatomic
H2
N2
P
Cl2
- 2. Multiple Choice
The left side of a chemical reaction is called the ___________
reactant
product
intro
ending
- 3. Multiple Choice
The general form of a double displacement reaction is:
AB+ CD --> AC + BD
AB + CD --> AD + CB
AB + CD --> A + BD
AB + CD --> AD + C
- 4. Multiple Choice
Pick the correct balanced reaction when
NaCl + CaSO4 -->
NaCl + CaSO4 --> NaSO4 + CaCl
NaCl + CaSO4 --> NaCl + CaCl
NaCl + CaSO4 --> ClCa + SO4Na
2 NaCl + CaSO4 --> Na2SO4 + CaCl2
- 5. Multiple Choice
When the equation Fe + O2 --> Fe2O3 is balanced, the coefficient for O2 is:
4
3
2
1
- 6. Multiple Choice
In order for the reaction of
2Al + 6HCl --> 2 AlCl3 + 3H2 to occur, which of the following must be true?
Al must be above Cl on the activity series
Al must be above H on the activity series
Heat must be supplied for the reaction
AlCl3 must be a solid
- 7. Multiple Choice
When the following equation is balanced, the coefficient in front of HCl is:
Ba + HCl --> BaCl2 + H2
6
3
1
2
- 8. Multiple Choice
What type of reaction is
Ba + HCl --> BaCl2 + H2
Single Displacement
Double Displacement
Composition
Decomposition
- 9. Fill in the Blank
Will there be a reaction when these two substances react? Please explain.
Mg + H3PO4. -->
- 10. Multiple Choice
What is the balanced equation that takes place between bromine and sodium iodide?
Br2 + NaI --> NaBr2 + I
Br2 + 2 NaI --> 2 NaBr + I2
Br2 + NaI2 --> NaBrI2
No reaction
- 11. Multiple Choice
In a double displacement reaction, the _________.
products are always two negatives
reactants are two ionic compounds (+ and -)
reactants are two elements (zero charge)
products are a new element and new compound
- 12. Multiple Choice
Which is more active based on the activity series?
F2 (fluorine)
I2 (iodine)
- 13. Multiple Choice
For the following, pick the more active element.
Hydrogen
Copper
- 14. Open Ended
List 4 metals that will not replace hydrogen.
- 15. Multiple Choice
In a chemical reaction, what is the charge of an element?
+1
+2
0
-1
- 16. Multiple Choice
For the following reaction, what charge would be placed on Al?
Al + H2O -->
0
+1
+2
+3
- 17. Open Ended
Gold, Au, is often used in jewelry. How does the relative activity of Au relate to its use in jewelry?
- 18. Multiple Choice
Which would be the correct series to balance the following equation:
Al + CuF2 --> AlF3 + Cu
2,3,2,1
2,3,2,3
2,1,1,2
1,3,2,1
- 19. Multiple Choice
What does this symbol represent in a reaction
reactants
products
yields
nothing
- 20. Multiple Choice
The general form of a single displacement reaction is...
Element + Compound --> New Element + New Compound
Compound + Compound --> New Compound + New Compound
Element + Element --> Compound
Compound --> Element + Element
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