Question

spontaneous combustion occurs in case of __.
a) firecrackers
b) magnesium ribbon
c) forest fire
d) wax candle ​

Answer 1

Spontaneous combustion occurs in the case of magnesium ribbon.

Option (b) is correct.

Explanation:

• Spontaneous combustion is a combustion reaction in which the burning of a hydrocarbon takes place on its own.
• In simple words, the process of spontaneous combustion is also known as self-heating.
• Self-heating occurs due to excessive heat and is followed by thermal heating.
• Spontaneous combustion mostly takes place in hydrocarbons.

Answer 2

Answer:

forest fire

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