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Chemistry, 7/e
Raymond Chang, Williams College
Nonmetallic Elements and Their Compounds

Self Assessment B



1

Which of the following elements is a liquid at atmospheric temperature and pressure?
A)iodine
B)carbon
C)surfur
D)bromine
E)fluorine
2

H2 is not found in Earth's atmosphere because
A)it reacts with atmospheric oxygen to produce water.
B)Earth's gravitational pull is not strong enough to retain H2 in the atmosphere.
C)H2 dissociates at atmospheric temperatures.
D)it reacts with atmospheric nitrogen to form ammonia.
E)it reacts with atmospheric carbon dioxide to for carbonic acid.
3

In the preparation of H2 from C3H8 and water,
A)the hydrogen atoms from propane are transferred to the oxygen atom from water.
B)carbon is oxidized.
C)hydrogen is oxidized.
D)None of the above.
4

Which of the following is a list of LiH, CH4, and NH3 in order of decreasing boiling points?
A)LiH > CH4 NH3
B)NH3 > CH4 > LiH
C)LiH > NH3 > CH4
D)NH3 > LiH > CH4
5

When copper is treated with dilute nitric acid, the nitric acid is reduced to
A)N2
B)NH4+
C)NO3-
D)NO
6

The reaction of PCl3 with water produces
A)Cl2
B)H3PO3
C)H3PO4
D)PCl5
7

Which of the following are allotropes of phosphorous? (I) P4; (II) P4O6; (III) P4O10; (IV) (P4)n
A)I and III
B)II and III
C)I and II
D)III and IV
E)I and IV
8

Which of the following is the world's most important industrial chemical?
A)H2SO4
B)H3PO4
C)HClO3
D)H2SO3
E)HNO3
9

Sodium hypochlorite is used
A)as an oxidizer in rocket fuels.
B)in the manufacture of steel.
C)as a bleaching agent.
D)in the chemical analysis of agricultural pesticides.
E)as an insecticide.
10

The chlor-alkali process produces chlorine, Cl2(g), in large quantities. What other industrially important substances are also produced in the chlor-alkali process?
A)NaOH and O2
B)Na and H2
C)H2 and O2
D)NaOH and H2
E)Na and O2








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