What is the sol-gel process?
A) a series of chemical steps that involves the isolation of CuS and then roasting with oxygen
B) a series of chemical steps that involves the isolation of SO3 and then treatment with H2SO4
C) a series of chemical steps that involves the synthesis of a metal oxide powder from a metal alkoxide
D) a series of chemical steps that involves the thermal decomposition of fibers of polyacrylonitrile
Correct Answer:
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Q46: What is a cermet?
A)boron nitride/epoxy
B)ceramic-metal composite
C)ceramic-polymer composite
D)silicon
Q47: What is not part of the sol-gel
Q48: Why are ceramics so much more brittle
Q49: Which has been found to be a
Q50: Which one of the following is a
Q52: Which combination of semiconductors can be employed
Q53: According to molecular orbital theory,materials with completely
Q54: Why are ceramics superior to metals as
Q55: What structural features appear necessary for superconductivity
Q56: A particular superconductor has eight copper atoms
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