Clay is a hydrated mixture of the oxides of
A) iron and silicon
B) silicon and calcium
C) iron and calcium
D) aluminum and silicon
Correct Answer:
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Q16: Over the years what element has been
Q30: Doped silicon is used in
A) magnets.
B) transistors.
C)
Q33: Roasting of metal ores in air
A) converts
Q35: Superconductivity is the result of
A) lower electrical
Q37: What can be melted with silica (silicon
Q41: Silicon is doped with to make an
Q42: Which is an example of metamorphic rock?
A)
Q43: Which is a property of a metal?
A)
Q44: What is the major compound found in
Q50: What two elements make up glass?
A) Si
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