28 Multiple Choice 3 points Petroleum (crude oil) is a complex mixture of thousands of substances, the majority of which are proteins. natural gases. hydrocarbons. carbohydrates.
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Crude oil is composed of hydrocarbons and other compounds. List three elements found in different compounds in crude oil. Name process Q that can be used to separate petroleum compounds. Name the physical property that this technique of separation depends on. Justify your answer. Identify three general characteristics of organic compounds. Some fractions of petroleum compounds were separated by process T. One of the compounds contains 4 carbon atoms while the other contains 6 carbon atoms. Write one use for each fraction. Fraction 1 - 4 carbon atoms. Fraction 5 - 10 carbon atoms. Fraction 12 - 18 carbon atoms.
Adi S.
Which of the following is false about petroleum hydrocarbons? A. Natural gas is composed mostly of methane (CH4). B. Crude oil contains a mixture of hydrocarbons of variable carbon chain length. C. Short-chain hydrocarbons release more energy in combustion than long-chain hydrocarbons. D. Petroleum refining processes separate compounds into similar carbon chain lengths.
What are the major constituents of crude petroleum? What is the major constituent of natural gas? How were these mixtures formed?
Prem B.
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