1. Ceramic material made by the sol-gel process involve the reaction of
a. water and acids.
b. ethanol and water.
c. water and metal oxides.
d. acids and metal alkoxides.
e. water and metal alkoxides.
my ans. c
2. The step in the sol-gel process that forms oxygen bridges while forming water molecules can be best classified as
a. an acid-base reaction.
b. sintering.
c. evaporation process.
d. annealing.
e. metallurgy.
my ans. c
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