
113-8上自然習作ch2
Authored by 林 炳弘
Science
8th Grade
Used 1+ times

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42 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
下列何者是純物質?
蒸餾水
糖水
汽水
食鹽水
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
分離混有細砂的食鹽水,會使用到下列哪些方法?(甲)過濾法;(乙)結晶法;(丙)色層分析法;(丁)排水法。
甲乙丙
乙丙
丙丁
甲乙
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
阿翰將紅糖加入水中,攪拌後形成水溶液,下列有關此溶液的敘述,何者錯誤?
此水溶液為混合物
紅糖為溶質
紅糖為溶劑
水為溶劑
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
在甲、乙、丙三個廣口瓶中,各裝有一種氣體,進行如表之檢測,若氣體分別為氮氣、二氧化碳和氧氣,則甲、乙、丙三瓶中的氣體成分依次為下列哪一項?
氮氣、二氧化碳、氧氣
氧氣、氮氣、二氧化碳
二氧化碳、氮氣、氧氣
二氧化碳、氧氣、氮氣
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
物質均是由粒子所組成,而固體、液體、氣體,何者的形狀是固定的?
固體
液體
氣體
一樣大
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
空氣、氧氣和氮氣均為無色、無臭、無味的氣體,分別盛放於甲、乙、丙三個廣口瓶中,放入燃燒的蠟燭後,則其燃燒的劇烈程度大小為何?
乙>甲>丙
甲>乙>丙
丙>乙>甲
甲=乙=丙
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
阿翰想要知道紅色的水性筆是由哪些色料所組成,你會建議他用哪種方法進行實驗?
排水法
排水集墨法
色層分析法
結晶法
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