One question per day; those who answer correctly receive 6 wealth points, while participants receive 2 wealth points； August 06
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Single-choice question: In an open space, when the initial pressure of a gas mixture with explosive properties is low enough, igniting such an explosive gas will result in ( ) phenomenon. A. Explosion B. Combustion C. Burning D. No explosion Answer: D. No explosion
In an open space, when the initial pressure of a gas mixture with explosive properties is low enough, igniting such an explosive gas results in phenomenon (B). A. Explosion B. Combustion C. Burning D. No explosion