Babcock Test for other Milk Products. 99 



Questions. 



1. Why is it difficult to get accurate tests of skim milk by 

 the Babcock test? 



2. Mention at least three precautions that should be taken 

 in testing skim milk. 



3. Should more acid be used for full milk than for skim 

 milk, or more for skim milk than for whey? Why? 



4. How much fat is probably present in a sample of skim 

 milk which shows no fat on being tested in a skim milk bottle? 



5. What per cent, of fat does each division of a double- 

 necked skimmilk test bottle represent? 



6. How can (a) butter, (b) cheese, (c) condensed milk be 

 tested with the Babcock test? 



7. If 8.4 gr. cheese give a reading of 12.2% on the neck of a 

 test bottle, what per cent, of fat does the cheese contain? 



8. What is the per cent, of fat in a sample of cheese, of 

 which 4.2 grams contained enough fat to fill the space in the 

 neck of a Babcock milk test bottle from 1.7 to 9.5 mark! 



9. How can the per cent, of fat in ice cream be determined? 



