
理化(三)6-5
Chemistry
8th Grade
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24 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
甲、乙、丙、丁各物質,其組成粒子如圖所示,下列何者屬於元素?
乙
丙
甲、丁
乙、丙
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
請選出化學式 NaHCO3 正確的中文名稱?
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
若將某物質分割,所得到的粒子由大到小排列,下列何者正確?
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
如表為常見的離子,則下列物質的化學式何者正確?
氯化鈣為 CaCl
硫酸鈣為 Ca2SO4
碳酸鈉為 NaCO3
硝酸銨為 NH4NO3
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
下列常見化合物的化學式,何者錯誤?
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
請選出硫酸銅的正確化學式?
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
關於「3H2SO4」的描述,何者錯誤?
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