Silicon Flashcards

1
Q

“purified kieselguhr” or “purified tripoli”

a. silicon dioxide
b. purified silicious earth

A

b

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2
Q

polishing powder for metals

a. silicon dioxide
b. purified silicious earth

A

b

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3
Q

“silica”

a. silicon dioxide
b. purified silicious earth

A

a

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4
Q

quartz with impurities? _ _ _ _

A

GEMS

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5
Q

mixture of various silicates

A

glass

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6
Q

glass: lead silicate + sodium silicate

a. soft glass
b. hard glass
c. flint glass
d. crown glass
e. soda lime glass
f. borosilicate glass

A

a

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7
Q

glass: potassium silicate +MgAl oxides

a. soft glass
b. hard glass
c. flint glass
d. crown glass
e. soda lime glass
f. borosilicate glass

A

b

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8
Q

glass: low refraction, high dispersion

a. soft glass
b. hard glass
c. flint glass
d. crown glass
e. soda lime glass
f. borosilicate glass

A

c

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9
Q

glass: for common bottles

a. soft glass
b. hard glass
c. flint glass
d. crown glass
e. soda lime glass
f. borosilicate glass

A

e

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10
Q

glass: very tough, lower coefficient of expansion

a. soft glass
b. hard glass
c. flint glass
d. crown glass
e. soda lime glass
f. borosilicate glass

A

f

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