1.
Carbon exists in the atmosphere in the form of:
2.
The purest form of carbon is.
3.
Which of the following is a good conductor of heat and electricity?
4.
Which of the following statements are usually correct for carbon compounds? These: (i) are good conductors of electricity (ii) are poor conductors of electricity (iii) have strong forces of attraction between their molecules (iv) do not have strong forces of attraction between their molecules
5.
Buckminster fullerene is an allotropic form of:
6.
Which of the following are the green house gas.
7.
Diamonds have _______________ structure.
8.
_______________ contains 98% of carbon
9.
Which of the following statement is true for C-60?
10.
The slow conversion of wood into coal is called
