Emma is doing a laboratory experiment to separate components of crude oil. She decides to use a technique that will separate the components
based on their boiling points. Which technique uses this principle?
A filtration
B. distillation
OC centrifugation
OD. chromatography
E.
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Ответ:
B. distillation
Explanation:
The technique that will separate the components of crude oil based on their boiling points is distillation.
Fractional distillation is the approach used by oil industries to separate the different components of crude oil.
The components of the crude are called fraction. Sufficient amount of heat is applied to the crude in the fractionating column. As the boiling point of each constituent is attained, they rise as vapor in the column The vapor is channeled to the cooling part where the fraction is cooled and collected.Ответ:
they both have something falling. the first picture has a person falling the second has a building getting wrecked causing it to fall