下列有關醣類的敘述,何者正確?
5-4有機物在生活中的應用

Quiz
•
Chemistry
•
8th Grade
•
Medium

CHEN HSI CHUAN
Used 7+ times
FREE Resource
18 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
由碳、氧、硫三種元素組成的物質,又稱為碳水化合物
澱粉遇到碘液時會顯現出黃褐色,是檢驗澱粉的簡易方法
人類無法分泌消化纖維素的酵素,所以纖維素對人類的身體毫無用處
水果中的果糖、血液中的葡萄糖及市售的麥芽糖皆屬於醣類
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
右圖簡單表示肥皂分子的構造。洗滌衣服時,油汙應附在哪一邊呢?
左端
右端
中間
不一定
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
請問下圖中肥皂的去汙作用示意圖,正確的順序排列為何?
甲乙丙丁
乙甲丁丙
甲丁乙丙
乙丙甲丁
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
有關肥皂與合成清潔劑的敘述,下列何者正確?
肥皂與洗衣粉均屬酸性,因此使用後的廢水排入河流,會汙染河流
一般清潔劑分子包含親水端和親油端兩部分
合成清潔劑的去汙原理和肥皂的去汙原理不一樣
肥皂吸附油汙時其親油端在油外部
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
下列有關蛋白質的敘述,何者正確?
由許多澱粉聚合形成的天然聚合物
人類攝取的蛋白質的來源可分為動物性蛋白質與植物性蛋白質
蛋白質受熱或遇酸鹼時,外觀會改變,但是結構上不會變化
細胞中含量最少的有機物質
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
下列有關煤的敘述,何者錯誤?
煤是一種化合物
煤燃燒時主要的生成物為 CO2
煤溚可當作冶煉、工業等的原料
不同的煤中,含碳的百分率決定煤燃燒時火力的大小
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
下列的有機化合物,何者沸點最高?
甲烷
乙烷
正十二烷
環己烷
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