Advertisements
Advertisements
Question
Name the following:
The best variety of coal.
Solution
Anthracite
APPEARS IN
RELATED QUESTIONS
Fill in the blank.
The tendency of an element to exist in two or more forms but in the same physical state is called ................
Choose the correct alternative.
A crystalline form of carbon is
Write true or false
Graphite has layers of hexagonal carbon bondings.
Write true or false
Diamond is insoluble in all solvents.
Answer the following question
Why is diamond very hard?
Answer the following question
What are fullerenes? Name the most common fullerenes.
Name the following:
The purest form of amorphous carbon.
Tick the most appropriate answer.
Which form of carbon is a good conductor of electricity?
a. graphite
b. diamond
c. coke
d. amorphous carbon
How is wood charcoal a better fuel than wood?
Name the following:
A crystalline allotrope of carbon built up from a hexagonal unit.
