Percentage of gold in high noble alloy is______________?
Correct answer: C. >40%
- A. N 25%
- B. 25%
- C. >40%
- D. 0%
Explanation
A high-noble alloy must contain at least 40% gold by weight, with the total noble-metal content meeting the higher high-noble requirement. Therefore the threshold given is greater than 40%, not merely 25%.
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