_Iso-octane (C‚Äö√á√ H‚Äö√á√Ö‚Äö√á√ ) has octane number of$?

_Iso-octane (C‚Äö√á√ H‚Äö√á√Ö‚Äö√á√ ) has

1.	_Iso-octane (C‚Äö√á√ H‚Äö√á√Ö‚Äö√á√ ) has octane number of$?
A.	0
B.	50
C.	100
D.	120
Answer» D. 120