Which of the following is correct________________
A. Type I and Type II gold can be heat treated and annealed
B. Type III and Type IV gold can be heat treated and annealed
C. Type I and IV gold can be heat treated and annealed
D. All the type of gold can be heat treated and annealed
Answer:B
Which of the following is correct________________
A. Type I and Type II gold can be heat treated and annealed B. Type III and Type IV gold can be heat treated and annealed C. Type I and IV gold can be heat treated and annealed D. All the type of gold can be heat treated and annealed