Refractive index of a petrofuel which is the ratio of velocity of ligh – McqOptions

MCQOPTIONS

1.	Refractive index of a petrofuel which is the ratio of velocity of light in air to its velocity in the petrofuel gives an indication if its
A.	molecular weight
B.	aromatics content
C.	both a & b
D.	neither a nor b
Answer» D. neither a nor b

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