Question

Ed
Exercises
A. Tick the most appropriate answer.
b. a good conductor of electricity.
d. soluble in organic solvents.
a. a good conductor of heat.
isoft and slippery.
2. An example of an amorphous form of carbon is
a. diamond.
b. graphite.
C. fullerene.
3. A form of carbon that is a good conductor of heat is
a. diamond.
6. graphite
C. wood charcoal.
4. Buckyball is found in
wood charcoal.
d. coke.
a. dust.
b. rocks.
C. soot.
d. none of these
5. Lampblack is used in making
a. shoe polish
b. black paint.
c. ink.
d. all of these
L2
1. Graphite is used as a lubricant because it is​

Answer 1

Answer:

(43−352)

⇒(43)2+(35)2−2(43)(35)

⇒16(3)+9(5)−2415

⇒93−2415