32 QUESTIONS AND ANSWERS 



How can the growth of mold be prevented in a 

 chum not in constant use? 



Before putting the churn aside give it a thorough 

 soaking in a hot solution of bichlorid of mercury, 

 strength one in a thousand. This is made by dis- 

 solving jYi grains of mercuric chlorid in i pint 

 hot water. The churn should then be kept in a 

 dry place. Before using the churn again, it should 

 be thoroughly washed with hot salt water in order 

 to remove all traces of mercury, which is a poison. 



When can the greatest amount of agitation be ob- 

 tained in a churn? 



When it is about one-third full. 



What is the effect of revolving a churn too fast? 



The agitation is lessened and may even stop. 



What is the effect of revolving a churn too slowly? 



The cream is not agitated sufficiently, and churn- 

 ing is greatly delayed. 



Why should cream be strained before churning? 



1. It separates all lumps. 



2. Separates other insoluble bodies that may be 

 present. 



3. Assists in preventing mottled color. 



Why is artificial butter color used? 



To maintain a uniform color in the butter during 

 all seasons of the year. 



What is used to color butter? 

 Most color is prepared from the seed fruit of the 



