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Column chromatography | Chemical processes | MCAT | Khan Academy

361,708 views

khanacademymedicine

Video Language:

  • English

Caption Language:

  • {{captionLanguage | language_name}} ({{captionLanguage}})

Accent:

  • English

Speech Time:

99%
  • 6:35 / 6:38

Speech Rate:

  • 162 wpm - Fast

Category:

  • Education

Tags :

Intro:

Video Vocabulary

different

/ˈdif(ə)rənt/

adjective

not same as another or each other.

chemistry

/ˈkeməstrē/

noun

The study of the structure of substances.

material

/məˈtirēəl/

adjective noun

tangible. matter.

ingredient

/inˈɡrēdēənt/

noun

any of foods or substances that are combined to make particular dish.

chromatography

/ˌkrōməˈtäɡrəfē/

noun

Process used for separating mixtures by virtue of differences in absorbency.

opening

/ˈōp(ə)niNG/

adjective noun verb

initial. space or gap allowing passage. To start something, e.g. a new business.

companies

/ˈkəmp(ə)nē/

noun other verb

commercial business. Businesses that sell things or provides services. associate with.

organic

/ôrˈɡanik/

adjective

Developing naturally and without a set structure.

process

/ˈpräˌses/

noun verb

series of actions towards achieving something. perform mechanical or chemical operations on.

whatever

/(h)wətˈevər/

adjective adverb determiner exclamation pronoun

Referring to any particular kind, type, quantity. at all. Anything or everything needed; no matter what. said as response indicating reluctance to discuss something, often implying indifference. (Used to dismiss what someone is saying).

produce
noun verb

Fresh foods such as fruits and vegetables. To manufacture something using machines.

solvent

/ˈsälvənt/

adjective noun

having assets in excess of liabilities. Substance used to dissolve or melt others.

sometimes

/ˈsəmˌtīmz/

adverb

Only at certain times; occasionally.

purification

/ˌpyo͞orəfəˈkāSH(ə)n/

noun

removal of contaminants from something.

amounts

/əˈmount/

noun other verb

quantity. (Values) added up to a certain figure. come to be total.

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