Which of the following allotrope of carbon is a constitue...
Which of the following allotrope of carbon is a constituent of a lead pencil?
Graphite
Diamond
Lampblack
Soot
Correct answer is A
When an element exists in more than one crystalline form, those forms are called allotropes; the two most common allotropes of carbon are diamond and graphite.
Graphite is used in pencils and lubricants. It is a good conductor of heat and electricity. Its high conductivity makes it useful in electronic products such as electrodes, batteries, and solar panels.
What is the oxidation number of nitrogen in AI(NO3)3?...
Which of the following properties is NOT peculiar to matter? ...
The inert gases are ____ in water ...
A liquid that will dissolve fat is? ...
An alkanol can be prepared by the reaction of an alkene with ...
Which of the following alkanes has the highest boiling point? ...
Which of the following terms indicates the number of bonds that can be formed by an atom? ...