Fragrances and Skincare

Question 1

What are essential oils

Answer 1

concentrated extracts of the volatile and non-water soluble aroma compounds from plants

Question 1

What are essential oils used is?

Answer 1

perfumes
cosmetics
cleaning products
flavourings

Question 2

What are essential oils made of

Answer 2

terpenes

Question 3

How are terpenes formed

Answer 3

joining isoprene

Question 4

What is the systematic name for isoprene?

Answer 4

2-methylbuta-1,3-diene

Question 5

What can UV radiation result in

Answer 5

molecules gaining enough energy to break bonds
-free radicals form in the air
-sunburn, early aging of skin

Question 6

Why is wearing sun cream good for skin?

Answer 6

contains TITANIUM OXIDE to reflect/block UV

Question 7

What are free radicals?

Answer 7

highly reactive atoms or molecules due to unreactive e

Question 8

What is initiation

Answer 8

free radicals displayed as products

Question 9

What is propagation

Answer 9

free radicals displayed as products and reactants

Question 10

What is termination

Answer 10

free radicals on reactants

Question 11

What are free radical scavengers?

Answer 11

they react with free radicals to form stable molecules and prevent chain reactions from happening.