The flux commonly used in brazing is
A). Ammonium chloride
B). Borax
C). Zinc chloride
D). Resin plus alcohol
Borax
Traditionally borax was used as a flux for brazing, but there are now many different fluxes available, often using active chemicals such as fluorides as well as wetting agents.
1. Radiocarbon is produced in the atmosphere as a result of
2. Heat energy is transferred by conduction whenever molecules
3. A ball rolling along the ground gradually slows down and finally comes to rest is due to ________.
4. The dimensional formula ML–1T–2 corresponds to
6. The primary colours in phothgraphy?are