
802 5-3 5-4 難
Science
8th Grade

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20 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
有關肥皂組成的敘述,下列何者正確?
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
在製造肥皂的實驗步驟中,為何需要加入飽和食鹽水?
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
肥皂、水和沙拉油混合搖動後靜置,試管內可能的變化?
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
小雯以沙拉油與氫氧化鈉反應,何者正確?
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
肥皂實驗應選用哪些原料?
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
有關肥皂與合成清潔劑的敘述,下列何者錯誤?
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
皂化反應中,A 的特性與哪個相似?
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