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Dairying Practice Test: Chemistry of Milk
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Chemistry of Milk topics include: Basic chemical concepts, cow milk composition, milk physical properties, changes In milk and its constituents. Milk is a compound made up of water, fats, proteins, carbohydrates, minerals, organic acids, enzymes, and vitamins. It's also an oil-in-water emulsion.  Milk contains about 87.1% water, 4% fat, 4.6% lactose, 3.25% protein, and 0.7% minerals. The fat is mostly made up of triglycerides, which make up about 97–98.5% of the total lipid.  The remaining 13% of milk gives it its flavor and unique qualities. This includes: 27%: Lactose (milk sugar) 31%:... Show more
Dairying Practice Test: Chemistry of Milk
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25 Questions

1. ________ is recommended in order to avoid cream plug formation.
2. In determining acidity, the solution in the burette is?
3. Yellowish tinge in milk can be attributed to which of the following?
4. Most part of the atom is _______
5. Approximate size of fat globules in milk solution is ______________
6. Opacity in milk is due to which of the following reasons?
7. 1.7 ml of N/10 NaOH is required for titration of a 10 ml sample of milk. Compute the titratable acidity.
8. Which of the following can be the method to compute fat crystallization in cow milk?
9. In milk, the whey proteins are in _____ solution and the casein in colloidal suspension.
10. What does pH of the solution represent?
11. Heat treatment on minerals results leads to ___________
12. The lactulose content ______ with increased intensity of the heat treatment.
13. The charge on Electron is _______
14. Milk has all the essential amino acid.
15. The acidity of a solution is dependent on which of the following?
16. Effect of Pasteurization on Vitamins in Milk ___________
17. What are positively charged Ions in a solution called?
18. pH of normal milk is _____ at 25℃.
19. Osmotic pressure is controlled by the number of molecules or particles, not the weight of solute.
20. What is the result of heat treatment on proteins?
21. Denature Protein contributes to an improvement in the quality of which of the following products?
22. _____ is the smallest building block of all matter in nature and cannot be divided chemically.
23. Milk is ______ with blood.
24. The fat globules in milk when heated to 74℃ show which of the following phenomenon?
25. Which of the following is/are whey protein?