
考考你:第1章 化學導論
Quiz
•
Chemistry
•
9th - 12th Grade
•
Practice Problem
•
Hard
Chemistry Aristo
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8 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
當把數滴花生油加入一個盛有水的玻璃杯,會觀察到甚麼?
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
若把一小塊鐵加入盛有稀硫酸的試管中,不會作出下列哪項觀察?
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
某廚師把醋、糖和其他調味料混合,以製備煮食用的甜酸醬。然後該廚師使用這醬料炒肉,並記下以下事項:「嗅到一陣香味。」這事項屬於
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
在盛有鉀的試劑瓶上可找到左面所示的危險警告標籤。鉀具有甚麼危險性質?
(1) 易燃
(2) 爆炸性
(3) 腐蝕性
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
在學校實驗室內中可用以下哪個儀器來量度18 cm³的稀氫氯酸?
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
在學校實驗室中可用下列哪些儀器來稱量1.0 g的氯化鈉?
(1) 刮勺
(2) 稱量皿
(3) 電子天平
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
若你不慎把一些稀氫氯酸濺到皮膚和實驗檯上,你應該
(1) 用大量清水沖洗皮膚受影響的部位。
(2) 立即向老師報告。
(3) 清理濺在實驗檯上的稀氫氯酸。
8.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
某學生進行一實驗,以測定下列化學品的 pH:
醋、氯化鈉溶液、氨水、氫氧化鈉溶液
下列哪項或哪些是進行這實驗時適當的行為?
(1) 戴上安全眼鏡和穿上防護手套。
(2) 嚐試待測試的化學品。
(3) 用完化學品後,立即把它放回原處。
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