問題詳情
11.下列何者是化學變化？(甲)雲變成雨；(乙)火柴棒燃燒而變黑；(丙)乾冰昇華成二氧化碳氣體；(丁)牛奶變酸；(戊)光合作用。
(A)甲乙丙
(B)乙丙丁
(C)甲丁戊
(D)乙丁戊。
(A)甲乙丙
(B)乙丙丁
(C)甲丁戊
(D)乙丁戊。
參考答案
答案：D
難度：計算中-1
書單：沒有書單，新增
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