What is the refractive index of petrol?

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Rajeshkumar Natwarlal Vadgama

Pure Petrol has refractive index function - 0.3- 0.4

When blended with 10%ethanol its refractive index function may increases - upto 0.5.

A. K. Pathak

Thanks for your response. In my measurement, I have found its refractive index nearly 1.43 solicited from local depot. of HP. Is there any possibilities of getting different refractive indices in different states?

Yes.. I might possible. The impurity level also matter.