Spontaneous ignition can result from...

Spontaneous ignition can result from...

Question 1 of 2707066636eec28f7522a1c51cd72

Spontaneous ignition can result from __________.

Question 1 of 27070

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Q

Spontaneous ignition can result from __________.

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🔍 Key Concepts

• spontaneous ignition (spontaneous combustion) means something catches fire without an external flame or spark • how heat can build up inside stored materials like oily rags, waste, or chemicals • difference between a source of heat/spark and self-heating materials

💭 Think About

• Which option best describes a situation where a fire could start even if nobody is present to cause a spark or flame at that moment? • Look for the choice that involves materials that can slowly heat up by themselves if they’re not handled or stored correctly. • Which options clearly involve an obvious ignition source (open flame, hot bulb, spark), and which one is more about how materials are disposed of or stored?

✅ Before You Answer

• Identify which choices involve a direct ignition source (flame, spark, hot surface). • Ask: In which choice could a fire start from internal heat buildup over time, rather than from an immediate external cause? • Focus on the option that mentions how materials are handled or stored, especially wastes, rags, or chemicals.