
Ch07(7.1) 生物與空氣 L2
Quiz
•
Science
•
1st Grade
•
Hard
QTSSCI QTSSCI
FREE Resource
7 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
1. 以下哪種 / 些材料能夠用來檢測二氧化碳?
(1) 有餘燼的木條
(2) 石灰水
(3) 碳酸氫鹽指示劑
A. 只有 (1)
B. 只有 (1) 和 (2)
C. 只有 (2) 和 (3)
D. (1)、(2) 和 (3)
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A. 二氧化碳
B. 氧
C. 二氧化碳和水汽
D. 氧和水汽
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
 3.   正常空氣一般含有約 21% 的氧。可是,當一個河水樣本被煮沸時,會釋出
超過 25% 的氧。以下哪項是可能的原因?
A. 河水遠較空氣潔淨。
B. 氧較氮更溶於水。
C. 水蒸發時會產生更多氧。
D. 河水中的氧較活躍。
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
4. 一個食品供應商希望自己生產的爆谷能夠保持新鮮,他 / 她應該在食物包裝袋中注入以下哪種氣體?
A. 氬
B. 氧
C. 水汽
D. 氮
5.
FILL IN THE BLANK QUESTION
1 min • 1 pt
把答案填寫在橫線上。
1. 水汽能令乾燥的氯化鈷試紙由 __________________ 變成粉紅色。
6.
FILL IN THE BLANK QUESTION
1 min • 1 pt
把答案填寫在橫線上。
2. 由於 __________________ 不能助燃,因此它常用作製造滅火筒的滅火劑。
7.
FILL IN THE BLANK QUESTION
1 min • 1 pt
把答案填寫在橫線上。
3. 由於 __________________ 在化學性質上並不活躍,因此沒有簡單的方法可檢測它。
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