ACTIONS DE L'EAU SUR LA COMBUSTION
Quiz
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Chemistry
•
1st - 12th Grade
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Practice Problem
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Medium
dorian paumard
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5 questions
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1.
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1 min • 1 pt
En se vaporisant l'eau absorbe l'énergie de la combustion ce qui abaisse l'intensité du feu, donc de la température.
2.
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45 sec • 1 pt
La vapeur d'eau produite forme une barrière qui limite l'apport d'air aux flammes.
3.
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45 sec • 1 pt
La vapeur d'eau produite abaisse la teneur en oxygène au voisinage des flammes
4.
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45 sec • 1 pt
Si l'eau est projetée violemment sur les flammes, l'écoulement des vapeurs combustibles dans l'air est perturbé.
5.
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45 sec • 1 pt
L'eau arrive avec force sur les matériaux en feu ce qui permet de les éparpiller
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