A high fire hazard is represented by 1) magnesium oxide; 2) phosphoric acid; 3) calcium carbonate; 4) potassium
| August 3, 2021 | education
A high fire hazard is posed by:
1) magnesium oxide; 2) phosphoric acid; 3) calcium carbonate; 4) potassium.
Potassium is an alkali metal that is highly flammable. Explosion and fire can occur on contact with water. Water serves as a solvent, so a strong exothermic reaction begins, which ignites the mixture.
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