Which type of iron results from a blast furnace?
A) pig iron
B) cast iron
C) steel
D) carbon steel
Correct Answer:
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Q36: Asbestos is
A) a glass.
B) a form of
Q42: Which is an example of metamorphic rock?
A)
Q42: The first transistor was constructed
A) in 1947
Q43: Which is a property of a metal?
A)
Q44: What is the major compound found in
Q46: The p-type of semiconductor is generally
A) silicon
Q49: How many valence electrons are found in
Q50: What two elements make up glass?
A) Si
Q50: Solar cells are
A) built only using layers
Q57: Which material is structurally stronger?
A) pig iron
B)
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