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  1. ...how was it formed? Petroleum, or crude oil , naturally occurring oily, bituminous liquid composed...where do we get it from and how do we extract it? The oil is always accompanied by water and often by natural...

    分類:科學及數學 > 化學 2006年12月10日

  2. 1. Crude Oil is formed from the preserved remains of prehistoric zooplankton...into a waxy material known as kerogen which is found in various oil shales around the world, and then with more heat into liquid and gaseous ...

    分類:科學及數學 > 化學 2008年03月19日

  3. 如果係 Fully Hydrogenated Oil 就不會有 trans fat, Partially hydrogenated oil 就一定... Fatty Acids 101 "When liquid vegetable oil is fully hydrogenated, however, almost no trans fats...

    分類:科學及數學 > 化學 2007年03月13日

  4. Crude oil is a mixture of hydrocarbons (compounds of hydrogen and carbon... oil variety has a unique mix of molecules. Generally, crude oil contains: the alkanes, which are saturated ...

    分類:科學及數學 > 化學 2011年07月23日

  5. Paraffin oil is a kind of oil . To a certain extent, oil from kitchen (like peanut oil ...reactive metal for a short time, but may not so good for prolong period. Because oil from kitchen will decompose by oxygen or bacteria into smelly product. The...

    分類:科學及數學 > 化學 2007年11月04日

  6. Paraffin oil is a fraction of petroleum. Actually, paraffin oil cannotbe hydrolysed... of vegetable oil ." "During the hydrolysis of vegetable oil ,glycerol and soap are produced."

    分類:科學及數學 > 化學 2013年07月06日

  7. ...an iridoid, a type of plant chemical found throughout the olive tree and in olive oil . Within Oleuropein is a chemical agent called elenolic...

    分類:科學及數學 > 化學 2006年12月05日

  8. ...組成,由於functional group已用於polymerization, 所以活潑性很低 而lubricating oil , 就只是heavier alkanes, 大約係10-12個C嘅alkanes...

    分類:科學及數學 > 化學 2010年01月06日

  9. (1) 石油的常用衡量單位「桶」為一個容量單位,即42加侖。 (2) 石油是一種不可再生原料 (3) (a)人多(b)車多(c)工業多(d)農田多(e)零下溫度 石油主要被用來作為燃油和汽油(88%),燃料油和汽油組成目前世界上最重要的一次能源之一。石油也是許多化學工業產品如溶液、化肥、殺蟲劑和塑料等...

    分類:科學及數學 > 化學 2009年12月20日

  10. Crude oil should not be used anymore as fuels. Crude oil is an...fuel purpose. Besides, we can use other source to generate energy but not the crude oil . Recently, some people have intensified the generation of ethanol from...

    分類:科學及數學 > 化學 2008年05月09日