1. Which element does an oxide —a compound containing two elements— contain at least one
atom of?
A. Sulfur
B. Nitrogen
C. Carbon
D. Oxygen
E. Hydrogen
ANSWER: D
2. Which of the following oxides is most likely to be an acidic oxide?
A.
B.
C.
D.
E.
CuO
NaO2
MgO
CaO
CO2
ANSWER: E
3. ZnO is an oxide that can react with acids and bases, as shown in the following equations:
ZnO+H2SO4
ZnSO4 + H2O
ZnO + 2 NaOH
Na2ZnO2 + H2O
What name is given to an oxide that reacts with both acids and bases?
A.
B.
C.
D.
E.
Neutral
Amphoteric
Displacement
Precipitate
Dual Reactive
ANSWER: B
4. Carbon monoxide is an oxide of carbon that does not react with either acids or bases. What
name is given to this type of oxide?
A. Acidic
B. Inert
C. Basic
D. Neutral
E. Amphoteric
ANSWER: D
5. A metal oxide and an acid reacted together to form zinc chloride and water. What were the
metal oxide and the acid?
A.
B.
C.
D.
E.
6.
A.
B.
C.
D.
E.
Zinc oxide and hydrochloric acid
Zinc oxide and sulfuric acid
Zinc metal and nitric acid
Zinc metal and hydrochloric acid
Zinc chloride and zinc oxide
What products are formed when sodium oxide reacts with hydrochloric acid?
NaCl, H2 and O2
NaCl and H2O
Na and HClO
Na, O2, H2, and Cl2
NaH2 and ClO
7. AlO23 is an oxide that can react with acids as well as bases, as shown in the following
equations:
Al2O3 + 3 H2SO4
Al2 (SO4)3 + 3 H2O
Al2O3 + 2NaOH
2 NaAlO2 + H2O
Which of the following describes that oxide?
A.
B.
C.
D.
E.
It is a neutral metal oxide
It is an amphoteric nonmetal oxide.
It is a peroxide
It is an amphoteric metal oxide.
It is a neutral nonmetal oxide.
8. Most metals can react with oxygen to produce metal oxides, which upon treatment with
water give a solution of special properties. Which of the following are the properties of that
solution?
A. Acidic and ionic
B. Acidic and covalent
C. Basic and ionic
D. Neutral and covalent
E. Basic and covalent
9. Nonmetals form covalent oxides with oxygen. Which of the following is correct about these
oxides?
A. They react with water to form neutral solutions.
B. They react with water to form basic solutions.
C. They react with water to form acidic solutions.
D. They react with water to form amphoteric solutions.
10. Which of the following oxides is considered a basic oxide?
A.
B.
C.
D.
E.
SO3
CO2
P2O5
Na2O
SO2
11. Which of the following is an example of neutral oxides?
A. K2O
B. Na2O
C. MgO
D. CO
E. CaO
12. What products are formed when a metal oxide reacts with hydrochloric acid?
A.
B.
C.
D.
E.
Salt and oxygen
Salt, water, and hydrogen
Salt and hydrogen
Salt and water
Salt, water and oxygen