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Combustion and Flame — Science STD 8 — Question

Gujarat BoardEnglish MediumSTD 8ScienceCombustion and Flame1 Mark
MCQ
For a spontaneous combustion to take place, which condition given below is necessary?
  • A
    Flame.
  • ✓
    Low ignition temperature.
  • C
    Rise in temperature.
  • D
    Temperature below $30^\circ C$.
✓

Answer

Correct option: B.
Low ignition temperature.

For spontaneous combustion to take place, a substance should have low ignition temperature: e.g., The ignition temperature of phosphorus is $35^\circ\ C$.

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