SPM Chemistry

Self Assess 5.3 – Chemistry Form 5 Chapter 5


Question 1:
State the seven types of food additives.

Answer:
Preservatives, emulsifiers, antioxidants, thickeners, flavours, dyes and stabilisers.


Question 2:
The diagram below shows the food content label on Marjerin Lazat food packaging.


(a) What type of food additive is ascorbic acid?

(b) State the function of ascorbic acid in the margarine.

(c) Identify two other food additives in the margarine.


Answer:
(a) Antioxidants

(b)(i) Slows down the oxidation of fats in food.

(b)(ii) Prevent oily or greasy food from becoming rancid.

(c) Emulsifiers and dyes / salt / flavouring.