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