character: Dr. Chen
topic: Understanding pH Levels in Canning and Preservation
grade: 11
subject: Chemistry
LearnActions
SearchCreate
character: Mrs. Johnson
topic: Chemical Reactions in Food Preservation
grade: 11
subject: Chemistry
LearnActions
SearchCreate
character: Mr. Smith
topic: The Role of Acids and Bases in Canning
grade: 11
subject: Chemistry
LearnActions
SearchCreate
character: Dr. Lee
topic: Food Safety and Acidity Levels
grade: 11
subject: Chemistry
LearnActions
SearchCreate