問題詳情
16. 職業賽車中,常用一種氮氧化合物系統來提高引擎馬力,其原理為:將液態N2O裝入高壓鋼瓶中,使用時,打開閥門,(甲)將鋼瓶中由液態變成氣態的N2O釋出, (乙)氣態N2O遇熱分解成N2和O2氣體,再配合增加的燃料,可產生很大的動力。上述畫線的描述分別屬於何種變化?
(A)甲、乙均為物理變化
(B)甲、乙均為化學變化
(C)甲為物理變化、乙為化學變化
(D)甲為化學變化、乙為物理變化
(A)甲、乙均為物理變化
(B)甲、乙均為化學變化
(C)甲為物理變化、乙為化學變化
(D)甲為化學變化、乙為物理變化
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