Group IVA - Carbon Group

Question 1

carbon: crystalline

Answer 1

graphite
diamond (purest form)

Question 2

soft coal

Answer 2

bituminous

Question 3

hard coal

Answer 3

anthracite

Question 4

impure form of carbon

Answer 4

coke

Question 5

eka silicon

Answer 5

germanium

Question 6

fuller’s earth

Answer 6

siliceous earth
diatomaceous earth, kieselguhr, celite

Question 7

most abundant of all clays

Answer 7

bentonite
Aluminum silicate

Question 8

attapulgite

Answer 8

hydrated mg-al silicate

Question 9

polymeric dimethyl siloxane

Answer 9

simethicone
antiflatulent

Question 10

condensation of silica vapor

Answer 10

silica gel fume

Question 11

hydrolysis of orthosilicates

Answer 11

silica gel

Question 12

SnF2

Answer 12

anticariogenic 8%

Question 13

burrow’s solution

Answer 13

lead (II) acetate
sugar of lead, plumbous acetate

Question 14

goulard’s extract

Answer 14

lead subacetate
lead II acetate + PbO

Question 15

litharge

Answer 15

lead (III) acetate

Question 16

galena

Answer 16

black sulfide
lead (III) sulfide

Question 17

sons of earth

Answer 17

titanium (titan)

Question 18

titanium dioxide

Answer 18

titanium (IV) oxide
opaquant (Ocusert)
uv ray protectant

Question 19

banned due to granuloma formation

Answer 19

zirconium

oxide and carbonate - as antiperspirant and athlete’s foot