Metals

16. Which metal is used to make car bodies?
a) Aluminum
b) Iron
c) Copper
d) Silver

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17. Which metal is used to make ballpoint pens?
a) Gold
b) Aluminum
c) Copper
d) Tungsten

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18. Which metal is used to make water pipes?
a) Copper
b) Aluminum
c) Zinc
d) Iron

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19. Which metal is used to make jet engines?
a) Aluminum
b) Iron
c) Copper
d) Titanium

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20. Which metal is used to make spark plugs?
a) Copper
b) Iron
c) Zinc
d) Platinum

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