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.
Hydrogen is used for the following except ...
The normal boiling point of a liquid is defined as? ...
Oxidation is the process of? ...
Which of the following solids has a network structure? ...
If glucose is heated with concentration tetraoxosulphate (VI) acid, it will be dehydrated to ...
If glucose is heated with concentrated tetraoxosulphate(vi)acid, it will be dehydrated to?...