
S2_Revision_9.1-9.3
Authored by 李永俊Lee Chun
Science
8th Grade
Used 2+ times

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15 questions
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1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
酸
(1) 觸感滑溜。
(2) 帶苦味。
(3) 可在多種水果裏找到。
只有 (2)
只有 (3)
只有 (1) 和 (3)
只有 (2) 和 (3)
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
下列哪項含有鹼?
牙膏
茄醬
醋
橙
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
下列哪項關於鹼的描述是正確的?
(1) 有些食物含鹼。
(2) 鹼可能會灼傷皮膚。
(3) 鹼帶酸味。
只有 (1)
只有 (2)
只有 (1) 和 (2)
只有 (2) 和 (3)
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
若不慎把酸或鹼濺到手上,我們應
(1) 立即用大量清水洗手。
(2) 脫去受污染的衣物。
(3) 用酸中和鹼,或用鹼中和酸。
只有 (1) 和 (2)
只有 (1) 和 (3)
只有 (2) 和 (3)
(1)、(2) 和 (3)
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
為甚麼我們不應該用味覺來分辨某物質是酸性的還是鹼性的?
物質可能有毒,或具有腐蝕性。
我們的味覺不可靠。
試味不能找出物質的pH值。
老師不允許我們這樣做。
6.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
下列哪種汁液可以用來分辨酸鹼?
(1) 紅椰菜汁液
(2) 紅玫瑰花瓣汁液
(3) 洋葱皮汁液
只有 (1)
只有 (1) 和 (2)
只有 (2) 和 (3)
(1)、(2) 和 (3)
7.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
下列哪物質可把藍色石蕊試紙變成紅色?
鹽溶液
玻璃清潔劑
檸檬汁
漂白劑
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