Traditional Culture Encyclopedia - Traditional culture - The following substances do not belong to the silicate is A. ceramics B. glass C. crystal D. water
The following substances do not belong to the silicate is A. ceramics B. glass C. crystal D. water
C
Test analysis: the so-called silicate refers to silicon, oxygen and other chemical elements (mainly aluminum, iron, calcium, magnesium, potassium, sodium, etc.) combined with the general name of the compound. It is extremely widespread in the earth's crust and is a major component of most rocks (such as granite) and soils. Ceramics, glass, and cement are traditional silicate products, and the main component of crystal is silica, which is an acidic oxide, not a silicate, and the answer is C.
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