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 not the function of zinc in 2nd  generation amalgam alloy? 
Select and explain. 
A. Increase plasticity, B. Decrease brittleness, C. Act as deoxidizer, D. Act as scavenger
A: Increase plasticity
Answer: A: Increase plasticity 
Explanation: Traces of zinc (up to 1%) were added to act as a deoxidizer or scavenger for the alloy and to decrease its brittleness.
Reference: Marzouk Operative dentistry, pg-106