FOOD CHEMISTRY
BASIC PRINCIPLES OF CHEMISTRY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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In food preparation, an example of a physical change is ____
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freezing punch in rings
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sautéing onions and peppers
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marinating meat
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baking a cake
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Explanation:
Detailed explanation-1: -Cooking an egg. Heating sugar to form caramel. Baking a cake. Rusting of iron.
Detailed explanation-2: -The two major chemical changes which occur during the processing and storage of foods and lead to a deterioration in sensory quality are lipid oxidation and non-enzymatic browning. Chemical reactions are also responsible for changes in the colour and flavour of foods during processing and storage.
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