
氧與二氧化碳的比較測驗
Quiz
•
Science
•
8th Grade
•
Practice Problem
•
Hard
Tin Nok Cheng
Used 2+ times
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14 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
以下哪項關於氧和二氧化碳的比較是正確的?
A
B
C
D
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
以下哪種氣體的固態,常用於表演中製造煙霧效果?
A. 氧
B. 二氣化碳
C. 氮氣
D. 貴氣體
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
有一種氣體經常被加入食品包裝內,以防止食物變壞。這種氣體是甚麼?
氧
二氧化碳
氮
貴氣體
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
以下哪些是光合作用直接產生的生成物?
(1) 水
(2) 澱粉
(3) 氧
只有(1)
只有(3)
只有(1)和(2)
(1)、(2)和(3)
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
下圖顯示一個實驗裝置,在實驗開始時,倒轉的試管完全注滿水(如圖P所示),數小時後,試管中的水位降低了(如圖Q所示),試管的頂端積聚了氣體W。氣體W是甚麼?
二氧化碳
氧
水汽
空氣
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
以下哪項有關檢測綠葉中的澱粉的步驟是不正確的?
A
B
C
D
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
為何在探究光合作用所需的條件前,要先把植物脫澱粉?
使碘液測試的結果更明顯。
除去植物中的食物,逼使它們進行光合作用。
確保在探究開始時植物的葉片含有澱粉。
確保檢測到的澱粉都是在實驗期間形成的。
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