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Which outcome accompanies rapid heating of confined gunpowder?

A)Rapid pressure increases gas volume
B)Chemical bonds stabilize into soot
C)Nitrogen fixation enriches soil
D)Endothermic cools neighboring water

💡 Explanation

Initiation of a gunpowder explosion causes deflagration, because rapid heating decomposes unstable nitrates into gas molecules; therefore extreme pressure is generated rather than soot, soil enrichment, or cooling.

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