WebDec 11, 2024 · Best answer Magnesium is a strong reducing agent. It reduces SO2 to Sulphur. The reaction is highly exothermic so a piece of magnesium ribbon continues to burn in SO2. 2Mg + SO2 → 2MgO + S + heat ← Prev Question Next Question → Find MCQs & Mock Test JEE Main 2024 Test Series NEET Test Series Class 12 Chapterwise … WebNuffield Foundation
MCQ Questions for Class 10 Science Chemical Reactions and …
WebNo, we cannot burn a piece of wood by bringing a lighted matchstick near it. When a lighted matchstick is brought near a piece of wood, it does not start burning because the ignition temperature of the wood is higher than a piece of paper. A matchstick can light a tiny splinter of wood but not a big log of wood. WebHow Is A Fire Extinguished? A fire requires three things in order to burn: Heat; Fuel; Oxygen. If you remove any of these three things, then the fire can no longer sustain itself. If a fire is left to burn unchecked, it will eventually run out of fuel and go out. If you drop the temperature substantially then it may remove the heat and the fire ... lindbergh boys volleyball
ABCs of Fire Extinguishers Fire Prevention Services The …
WebStudy with Quizlet and memorize flashcards containing terms like When in position to attack the fire, what is the first step that should be taken when using a portable fire extinguisher?, Every portable fire extinguisher must be labeled with:, In a(an) _____ extinguisher, … WebMar 26, 2024 · Class D fire caused by burning metals, eg aluminium, lithium or magnesium; Fires caused by electrical equipment (indicated by an electric spark symbol and not the letter E) Class F fire caused by fats and cooking oils. In the UK, portable fire extinguishers must conform to BS EN3 Standard, which specifies that their body is … WebFirst, let’s look at extinguishing agents that should not be used. NFPA 484 6.3.3.5 (1) specifically states that water shall not be used as an extinguishing agent on combustible-metal fires unless they are compatible with the metal because of adverse reactions and ineffectiveness. Water-based foams are not recommended because they contain water. lindbergh boulevard st. louis mo