C1.6 Plant Oils

Question 1

How can we extract vegetable oils?

Answer 1

With steam or crushing the seeds from the plant

Question 2

Describe the process of distillation

Answer 2

Plants are put in water and boiled, the oil and water evaporate together and are condensed and collected. The water and other impurities are removed to leave the pure oil.

Question 3

What do all vegetable oils contain?

Answer 3

hydrocarbons

Question 4

Is the boiling point of water higher or lower than vegetable oil?

Answer 4

lower

Question 5

what is an emulsion?

Answer 5

a mixture of liquids that don’t dissolve (water and oil)

Question 6

what is an emulsifier?

Answer 6

a substance that helps keep the insoluable liquids together so that they don’t separate into layers

Question 7

Uses of emulsions

Answer 7

in mayonnaise, milk, ice cream, cosmetics, paint

Question 8

what vitamin can you recieve from eating vegetable oil?

Answer 8

E

Question 9

Pros to having vegetable oil

Answer 9

reduce chance of heart disease, clear your arteries, lower choloestrol, good source of vitamin e