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Controlling Lead Hazards
1.	Lead is soluble in water.
a.	True
b.	False

2.	Current sources of lead include mining, metal recycling and the recycling of used auto batteries.
a.	True
b.	False

3.	The major lead mining country is the U.S.
a.	True
b.	False

4.	The chemistry of lead includes that it
a.	Is not attacked by sulfuric acid
b.	Does react with hydrochloric acid
c.	Is slightly easier to oxidize than hydrogen
d.	All of the above

5.	Lead is often used because it is easy to shape.
a.	True
b.	False

6.	Lead can be found in the following uses:
a.	Paint
b.	Hobbies
c.	Battery manufacturing
d.	All of the above

7.	Lead use in storage batteries is closest to
a.	70%
b.	80%
c.	90%
d.	100%

8.	Lead based paint contains more than what amount of lead
a.	100 mg/cm<sup>2</sup>
b.	10 mg/cm<sup>2</sup>
c.	1.0 mg/cm<sup>2</sup>
d.	0.1 mg/cm<sup>2</sup>

9.	The number of homes that contain lead based paint is closest to
a.	40 million
b.	50 million
c.	60 million
d.	70 million

10.	Lead beads were first produced in the 18th century.
a.	True
b.	False

11.	A major route of exposure to lead is inhalation.
a.	True
b.	False

12.	The percentage of lead stored in teeth and bones is
a.	50
b.	75
c.	95
d.	100

13.	Small doses of lead are dangerous to children.
a.	True
b.	False

14.	Lead poisoning only occurs in children.
a.	True
b.	False

15.	Zinc protporphyrin (ZPP) is produced when lead blocks the formation of blood.
a.	True
b.	False