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  1. 1) It is because there are lots of molecules with high carbon number , other than alkanes 2) As fraction 3 (Paraffin oil) density is low so that it will float on the surface of water . When the paraffin oil is...

    分類:科學及數學 > 化學 2008年09月13日

  2. 1)Fracrtion 1: Refinary Gas/Petroleum gas 2:petrol/kerosene 3:diseal 4:heavy oil b)The liquid component of the crude oil can act as a solvent for other component of the crude oil. Therefore, the solid and gas alkane will dissolve in the liquid alkane in crude oil and the mixture of...

    分類:科學及數學 > 化學 2010年05月05日