Download Practice Formulas, Equations, and RXNS Test Name

Name: __________
1.
Practice Formulas, Equations, and RXNS Test
7. Given the reaction:
2 SO2(g) + O2(g) « 2 SO3(g)
What type of reaction is shown above?
Mg(s) + 2 AgNO 3(aq) ® Mg(NO3)2(aq) + 2
Ag(s)
A) double replacement
B) decomposition
Which type of reaction is represented?
C) single replacement
A) decomposition
D) synthesis
B) synthesis
2. Which equation is correctly balanced?
A) Ca + Cl 2
Ca2Cl
B) H 2 + O 2
H 2O
C) Ca + Cl 2
CaCl
D) 2 H2 + O 2
C) single replacement
D) double replacement
8. Given the incomplete equation for the
combustion of ethane:
2 H 2O
2C 2H 6+ 7O2
4CO2 + 6 ___
What is the formula of the missing product?
3. Given the incomplete equation:
4Fe + 3O 2
2X
Which compound is represented by X?
A) Fe 2O3
B) Fe 3O2
C) FeO
D) Fe 3O4
A) NaSO4
B) NaSO3
C) Na2SO4
D) Na2SO3
B) iron(II) sulfate
B) Fe 3O2
C) Fe 2O3
D) FeO
C) HCOOH
D) CH3OH
A) Cu(OH)2
B) CuOH 2
C) Cu2(OH)
D) CuOH
A) Ni(ClO)2
B) Ni(ClO)3
C) NiCl 2
D) NiClO 2
11. The chemical formula for nickel (II) bromide is
6. What is the chemical formula for iron(III)
oxide?
A) Fe 3O
B) H 2O2
10. What is the chemical formula for nickel (II)
hypochlorite?
5. What is the IUPAC name for the compound FeS?
C) Iron(III) sulfide D) iron(III) sulfate
A) H 2O
9. What is the chemical formula for copper(II)
hydroxide?
4. What is the chemical formula for sodium
sulfate?
A) iron(II) sulfide
Date: __________
A) N2Br
B) NBr 2
C) Ni 2Br
D) NiBr2
12. A balanced equation representing a chemical
reaction can be written using
A) chemical formulas and mass numbers
B) chemical formulas and coefficients
C) first ionization energies and mass numbers
D) first ionization energies and coefficients
Page 1
Ms. Kavner
Practice Formulas, Equations, and RXNS Test
13. Given the unbalanced equation:
19. Which is the formula for the compound that
forms when magnesium bonds with phosphorus?
When the equation is correctly balanced using
the smallest whole-number coefficients, the
coefficient for H 2O is
A) 1
B) 2
C) 3
A) Mg2P 3
B) Mg2P
C) MgP2
D) Mg3P 2
20. Given the unbalanced equation:
D) 4
14. Which formula represents strontium
phosphate?
A) Sr2(PO4)3
B) Sr3(PO4)2
When the equation is correctly balanced using
the smallest whole-number coefficients, what
is the coefficient of CO?
C) SrPO4
D) Sr3PO 8
A) 1
B) 2
C) 3
D) 4
15. Which equation represents a decomposition
reaction?
A) 2H 2(g) + O 2(g) ® 2H2O(l)
B) CaCO 3(s) ® CaO(s) + CO 2(g)
C) KOH(aq) + HCl(aq) ® KCl(aq) + H 2O(l)
D) Cu(s) + 2AgNO 3(aq) ®
2Ag(s) + Cu(NO 3)2(aq)
16. The correct name for the compound NaClO 3 is
sodium
A) chloride
B) chlorite
C) perchlorate
D) chlorate
17. What is the formula of titanium(II) oxide?
A) TiO
B) TiO 2
C) Ti 2O3
D) Ti 2O
18. Given the balanced equation:
2 Na + 2 H2O ® 2 X + H2
What is the correct formula for the product
represented by the letter X?
A) NaOH
B) NaO
C) Na2OH
D) Na2O
Page 2
Ms. Kavner
Practice Formulas, Equations, and RXNS Test
21. Given the unbalanced equation:
When the equation is balanced using the smallest whole-number coefficients, what is the
coefficient of Al?
A) 1
B) 2
C) 3
D) 4
22. What is the name of the polyatomic ion in the
compound Na2O2?
A) peroxide
B) oxide
C) hydroxide
D) oxalate
27.
What type of reaction is shown above?
A) decomposition
B) single replacement
23. Which formula represents copper(I) oxide?
A) Cu2O
B) CuO
C) CuO2
D) Cu2O2
2 NH3(g) « N2(g) + 3 H2(g)
C) double replacement
D) synthesis
24. A metal, M, forms an oxide compound with the
general formula M 2O. In which group on the
Periodic Table could metal M be found?
A) Group 2
B) Group 16
C) Group 1
D) Group 17
25. Given the balanced equation representing a
reaction:
Which type of reaction is represented by this
equation?
A) double replacement
B) single replacement
C) decomposition
D) synthesis
26. Which balanced equation represents a
single-replacement reaction?
A) MgCl2 + 2AgNO 3
B) MgCO 3
C) 2Mg + O 2
2AgCl + Mg(NO3)2
MgO + CO2
2MgO
D) Mg + 2AgNO 3
Mg(NO3)2 + 2Ag
Page 3
Ms. Kavner
Practice Formulas, Equations, and RXNS Test
28. Given the unbalanced equation:
What is the coefficient of O 2 when the equation is balanced correctly using the smallest
whole number coefficients?
A) 1
B) 2
C) 3
D) 4
29. If an equation is balanced properly, both sides
of the equation must have the same number of
A) moles of molecules
B) coefficients
C) molecules
D) atoms
30. Which two solutions, when mixed together, will
undergo a double replacement reaction and
form a white, solid substance?
A) KCl(aq) and AgNO 3(aq)
B) NaNO 3(aq) and AgNO 3(aq)
C) NaCl(aq) and LiNO 3(aq)
D) KCl(aq) and LiCl(aq)
Page 4
Ms. Kavner