To find the % of volatile matter in coal, it must be heated in the crucible at ______ temperature.

To find the % of volatile matter in coal, it must be heated in the cru

1.	To find the % of volatile matter in coal, it must be heated in the crucible at ______ temperature.
A.	5261<sup>0</sup>C
B.	3281<sup>0</sup>C
C.	825<sup>0</sup>C+10<sup>0</sup>C
D.	925<sup>0</sup>C+20<sup>0</sup>C
Answer» E.