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_________________?
Correct answer: A. Both A. & B.
- A. Both A. & B.
- B. Aromatics content
- C. Molecular weight
- D. Neither 'a' nor 'b'
Explanation
Refractive index varies with both the molecular characteristics of the fuel, including molecular weight, and its aromatic content. Therefore both listed properties can be indicated approximately by this measurement.
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