what are the constituents of solder
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1
Answer:
A. Zinc and tin.
B. Tin and iron.
C. Lead and tin.
D. Zinc and iron.
Answered by
1
Answer:
Lead-free solders in commercial use may contain tin, copper, silver, bismuth, indium, zinc, antimony, and traces of other metals. Most lead-free replacements for conventional 60/40 and 63/37 Sn-Pb solder have melting points from 50 to 200 °C higher, though there are also solders with much lower melting points.
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Jai Hind
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