The hardest form of carbon is
...The hardest form of carbon is
coke
graphite
diamond
charcoal
Correct answer is C
No explanation has been provided for this answer.
The energy evolved when magnesium burns in air is in the form of ...
What is the chemical symbol for Copernicium? ...
What is the chemical symbol for Aluminum? ...
The conclusion from Rutherford's alpha-scattering experiment is that ...
The following compounds contain the same type of bonds except...
Which of the following equations represents a substitution reaction? ...