1.
Carbon exists in the atmosphere in the form of:
2.
Diamonds have _______________ structure.
3.
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
4.
Which of the following are the green house gas.
5.
The purest form of carbon is.
6.
Buckminster fullerene is an allotropic form of:
7.
The slow conversion of wood into coal is called
8.
Which of the following statement is true for C-60?
9.
Which of the following is a good conductor of heat and electricity?
10.
_______________ contains 98% of carbon
