
B4C1_化學反應A卷
Quiz
•
Chemistry
•
8th Grade
•
Practice Problem
•
Hard
chungtsen chen
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40 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
元素 X 和 Y 可形成 X2Y 和 XY 兩種分子,其分子量分別為 44 和 30,若亦可形成 XY2 分子,則其分子量為何?〔100. 聯測〕
44
46
60
92
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
同為一莫耳的下列各物質,何者所含的碳原子數最多?〔96. 基測Ⅱ〕
CO2
CH3COOH
Na2CO3
Ca(OH)2
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
二氧化碳生成的化學反應式如下:C+O2 → CO2,由此反應式可推知下列何種資訊?〔97. 基測Ⅱ〕
化學反應的速率
各物質反應的濃度大小
各物質反應時的質量比
反應進行所需要的溫度
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
根據規定,汽機車駕駛人的酒測值達 0.15 mg/L 以上,也就是駕駛人吐氣每公升所含的酒精質量達 0.15 mg 以上,遭取締就會被依法開罰。已知酒精的分子量為 46,今小君的酒測值為 0.23 mg/L,則相當於小君呼出的氣體每公升含有多少莫耳的酒精?〔101. 基測〕
5×10-3
2×10-3
5×10-6
2×10-6
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
以 36 公克的 X 和足量的 Y 恰可完全反應生成 48 公克的 X2Y,且無剩餘的 X,則下列何者也可完全反應生成 X2Y,且無剩餘的 X 和 Y?〔99. 基測Ⅰ〕
8 公克的 X 和 4 公克的 Y
12 公克的 X 和 2 公克的 Y
54 公克的 X 和 18 公克的 Y
72 公克的 X 和 48 公克的 Y
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
化合物甲與 HCl 作用之化學反應式為:甲+HCl → NaCl+H2O+CO2(反應式未平衡),則下列何者可能是化合物甲的化學式?〔99. 基測Ⅱ〕
NaOH
CaCO3
Na2CO3
Na2SO4
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
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