List two physical changes that occur during the cooking of food and give one example of each - Leaving Cert Home Economics - Question 7 - 2009
Question 7
List two physical changes that occur during the cooking of food and give one example of each.
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Worked Solution & Example Answer:List two physical changes that occur during the cooking of food and give one example of each - Leaving Cert Home Economics - Question 7 - 2009
Step 1
1. Physical Change: Loss of nutrients
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Answer
During the cooking of vegetables, there is a loss of water-soluble vitamins due to prolonged exposure to heat and water. For example, the vitamin C content in boiled spinach is significantly reduced.
Step 2
2. Physical Change: Increase in size/volume
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Answer
When fruits and vegetables are exposed to heat, they absorb water, causing them to swell. An example is prunes or dried beans, which expand in size when cooked.
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