This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Dental
Which of the following is false regarding setting of plaster products? 
Select and explain. 
A. Setting expansion increases with increase in nucleic density, B. Most accurate method of controlling setting expansion is by chair side addition of chemicals, C. Potassium sulphate is an accelerator and reduces the setting expansion, D. Maximum acceleration effect for sodium sulphate is approximately 3.4%
B: Most accurate method of controlling setting expansion is by chair side addition of chemicals
Answer: B: Most accurate method of controlling setting expansion is by chair side addition of chemicals 
Explanation: None