S6 QUESTIONS AND ANSWERS 



How is sucrate of lime made? 



Slake 3 pounds of freshly burned lime in hot 

 water. Make the quantity up to 5 gallons by add- 

 ing water. Dissolve 10 pounds of sugar in five 

 gallons of water. Mix the two solutions and stir 

 at intervals for about three hours. Let settle and 

 use the clear solution. 



How may the presence of viscogen in cream be 

 detected? 



Determine the number of c. c. of -f^ acid re- 

 quired to neutralize the ash from 100 grams of the 

 cream. The -^ acid should be added in excess 

 and titrated back with -^ alkali. If more than 

 14 c. c. are required it is a strong indication that 

 viscogen is present in the cream. 



How may the presence of preservatives in cream 

 be detected? 

 The methods used for detecting preservatives in 

 milk may be applied to cream as well. In some 

 cases it may be necessary to dilute the cream before 

 applying the tests. 



How may the presence of acid neutralizers in cream 

 be detected? 



The substances used to neutralize the acid are 

 alkalies or carbonates and the methods for detecting 

 them are the same as those used on milk. 



How is butter sometimes adulterated? 



1. By substituting a foreign fat for the whole or 

 a part of the butter fat. 



2. By selling renovated butter as fresh butter. 



