Q. For the soldering of galvanized iron the flux used is (Solved)
1. Hydrochloric acid
2. Zinc oxide
3. Muriatic acid
4. Ammonium chloride
5. None of the above
- c. Muriatic acid
1. Hydrochloric acid
2. Zinc oxide
3. Muriatic acid
4. Ammonium chloride
5. None of the above