1. Food Science
Water Activity — Quiz
Test your understanding of water activity with 5 practice questions.
Practice Questions
Question 1
Which of the following factors does water activity ($a_w$) directly influence in food products?
Question 2
When considering the stability of a food product, what is the significance of the sorption isotherm?
Question 3
A food product is being developed that needs to remain crispy. To achieve this, what water activity ($a_w$) range should be targeted for the product?
Question 4
Which of the following is a common method used to measure the water activity ($a_w$) of a food sample?
Question 5
In the context of food preservation, what is the primary function of a humectant?