UNIT 2- ANTIOXIDANTS

Question 1

What are antioxidants good at preventing

Answer 1

they prevent food from decaying

Question 2

what are antioxidants classed as?

what does this mean

Answer 2

they are reducing agents which mean that the other substances reduce, while being oxidised themselves

Question 3

name a common antioxidant?

Answer 3

vitiman C

Question 4

how can you tell there is a reducing agent present?

O:H ratio

Answer 4

the reactant is bein oxidised so the O:H ratio increases (that is of the H)

Question 5

how do you solve a redox equation?

Answer 5

1. if electrons are unequal, balance by timesing all the equation
2. cancel out the electrons
3. write the whole equation up (the balanced form with the electrons)