
物質的組成
Authored by Kai Xie
Chemistry
10th Grade
Used 1+ times

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20 questions
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1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
甲.鉀;乙.葡萄糖;丙.水銀;丁.黃金;戊.鑽石;己.黃銅;庚.白金;辛.硫酸;壬.氧化汞。上述所列的物質,屬於化合物者有哪些?
甲、乙、丙
乙、辛、壬
丁、戊、己、庚
丙、己、庚、辛
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
下列何者是能通過濾紙的液體所具有的特徵?
一定是純物質
一定是混合物
可能是純物質或混合物
必定屬於元素
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
鑽石、冰糖、水泥、碘酒、自來水、奶油、銀;以上物質中,屬於純物質的共有幾種?
5
4
3
2
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
若將甲加熱,可得到乙、丙兩種物質,則甲為下列何者?
為化合物
為純物質
為混合物
可能是純物質或混合物
5.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
血紅素含有0.335%的Fe,它可能的最低分子量為何?(Fe = 56)
300
1700
3000
17000
6.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
反應aM + bN → cR,已知分子量M = 30,N = 60,欲生成100克R需N幾克?
7.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
甲乙二化合物之組成元素均為A與B,其重量百分組成分別為:甲含40% A和60% B,乙含25% A和75% B,則依倍比定律,甲、乙中B元素重量比為何?
1:2
2:3
1:3
3:4
4:5
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