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
The contraction of gold alloys on solidifying is
approximately: 
Select and explain. 
A. 0.40%, B. 1.40%, C. 2.40%, D. 3.40%
B: 1.40%
Answer: B: 1.40% 
Explanation: All alloys shrink when they change from liquid to solid. The casting shrinkage in gold alloys is less (1.25 to 1.65%) when compared to base metal alloys.
Mannapalli 3 ed page no 276