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Chemistry
9th
grade
food preservatives, artificial sweetening agents and food additives
10 questions
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- 1. Multiple Choice
What is a method that works by removing water from the food which inhibits the growth of microorganism and hinder quality of decay?
pickling
freezing
drying
canning
- 2. Multiple Choice
What must be removed to stop the spoiling action of microorganism?
food
favorable temperature
moisture
all of the above
- 3. Multiple Choice
You go to squirt ketchup on your hamburger and realize that ketchup, which is made from tomatoes and lots of vinegar, is an example of which food preservation method?
canning
dehydrating
freezing
pickling
- 4. Multiple Choice
Sucralose is the sweetener in which of the brands?
Splenda
Sweet ’N Low
Sweet Twin
All of the mentioned
- 5. Multiple Choice
An artificial sweetening agent which s dipeptide methyl ester of L-aspartyl-L-phenylalanine.
Sucralose
Aspartame
Saccharin
Lactose
- 6. Multiple Choice
Which of the following is NOT a function of a food additive?.
Controlling Acidity and alkalinity
Maintain nutritive value
Maintain product consistency
Improve color of the food.
- 7. Multiple Choice
. What are added to make flavors “sharper”, and act as preservatives and antioxidants.
Acids
Emulsifiers
Flavors
Sweeteners
- 8. Multiple Choice
A food preservative that has a pKa value of 4.75 with a melting point range of 132°-137°C.
BHA
BHT
Potassium sorbates
Sodium nitrites
- 9. Multiple Choice
Introduction of gas in batter or dough leading to its expansion, improves appearance, texture and taste of foods
Anti-caking agents
Leavening Agents
Stabilizing agents
Sequestrants
- 10. Multiple Choice
What is the process of treating and handling food to stop or greatly slow down spoilage (loss of quality, edibility, or nutritive value) caused or accelerated by micro-organisms?
Food Preservation
Food Additives
Food Colorants
Food Irradiation
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