400 Level Chemistry Department exam questions and detailed answers. Download the answers in document format. Correct, detailed, and straightforward answers.
Questions:
a. Using a flow diagram, describe the production of sugar from sugar cane.
b. An ice cream mix has 25% fat, 5% sugar solids, and 10% stabilizer. Calculate the highest percentage milk solid not fat that should be used in rapid- and slow turnover operations.
c. Benzoic acid is used as a food additive. Give the equation of its action on protein-containing foods and justify why caution should be exercised in its use.
d. Discuss the physicochemical processes which occur during the freezing of fresh fish.
![Ice of mass 10g at 5ºC was completely converted to water at 0ºC, calculate the quantity of heat used. [specific heat capacity of ice = 2.1 Jg-1K-1, specific latent heat of fusion of ice = 336 Jg‾¹]](https://erudites.ng/wp-content/plugins/contextual-related-posts/default.png "Ice of mass 10g at 5ºC was completely converted to water at 0ºC, calculate the quantity of heat used. [specific heat capacity of ice = 2.1 Jg-1K-1, specific latent heat of fusion of ice = 336 Jg‾¹]")
