Which of the following is not used as an antiflux?
Correct Answer: Boric acid
Description: The flow of the flux and hence the solder can be limited by the use of an antiflux, which should be applied to the surface before the flux is applied.
Zinc oxides in alcohol, rouge (iron oxide) in chloroform, whiting (calcium carbonate) in alcohol and graphite suspension are the commonly used antifluxes.
Key comment :
The boric acid/borax acts as flux.
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