Multiple choice

Which of the following is incorrectly matched?

  1. Doctor’s process : industrial chemical process for removing sulfur compounds from sour gasoline
  2. Cottrell’s process : process of obtaining petroleum ether from crude oil
  3. Dubb’s process : advanced thermal cracking process

  1. Only 1

  2. Only 2

  3. Only 3

  4. Only 1 and 2

  5. Only 1, 2 and 3
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

This option is wrong because Cottrell’s process is the process of freeing oil from water by allowing the crude to flow between two highly charged electrodes.

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