Use of flux during soldering is done to__________________?

1.	Use of flux during soldering is done to__________________?
A.	Increase fluidity of solder by lowering its melting temperature
B.	Prevent oxide formation
C.	Wash away surplus solder
D.	Full up the joint gap
Answer» C. Wash away surplus solder

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Use of flux during soldering is done to__________________?

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