*/*_The normal heptane (C‚Äö√á√°H‚Äö√á√Ö‚Äö√á√ú) is given a rating of ________ octane number.?

*/*_The normal heptane (C‚Äö√á√°H‚Äö√á√Ö‚Äö√

1.	/_The normal heptane (C‚Äö√á√°H‚Äö√á√Ö‚Äö√á√ú) is given a rating of ________ octane number.?
A.	0
B.	50
C.	100
D.	120
Answer» B. 50