Q
The ADA specification No 1 for composition of amalgam alloy recommends______________?
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A
A. 65% silver, 32% tin and 3% copper
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B
B. 49% silver, 32% tin and 19% cooper
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C
C. 65% silver, 29% tin and 5-6% copper
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D
D. None of the above
Correct Answer:
C. C. 65% silver, 29% tin and 5-6% copper