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be26ca6c7c7b0@placeholder.24190.edu. Printing is for personal, private use only. No part of this book may be reprod s prior permission. Violators will be prosecuted 5 Why was it important to watch the milk carefully during the addition of acetic acid and to stop adding ackd once a precipitate formed? 6 Some people like to add lemon julce to their hot tea while others prefer milk. Why is it not a good idea to add large amounts of both lemon juice and milk to hot tea? 7 Describe how powdered milik might be prepared from whole milk. Would you expeot the nutritional value of the powdered milk to be ary different than that of the whole milk? Justity your answer 8 Both calclum and phosphate ions are important nutrients for the development of healthy bones and teeth. According to your data, would drinking milk promote the healthy development of bones and teeth? Justify your answer. 9 What class(es) of carbohydrates were you able to detect in your milk sample? Did the tests you perfomed allow you to identify the presence of a specific carbohydrate such as lactose? Explain your answer. 10 Do you think you were able to remove every protein motecule from the milk in Parts A through C? Did your tests Indicate the presence of any proteins in the aqueous milk solution? Explain your answer

Explanation / Answer

Ans 5 ;

The acetic acid has a low pH. So when it is added into the milk, the protein present in the milk denatures and coagulates and seperates out. So it is necessary to watch the milk during the addition of acid , because if not carefully watched , the acid will be put into milk before we can notice any curdling.

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