
2下3-2常見的酸與鹼
Authored by hsiangchi chang
Chemistry
8th Grade
10 Questions
Used 6+ times

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1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
根據下列X、Y、M、N四種物質的解離情況,何者可以確定屬於鹼類?
X→Ba2++2 Cl-
Y→H++NO3-
M→2 K++SO42-
N→Ba2++2OH-
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
假設有四個未知的化合物W、X、Y、Z,丟入水中後解離,則根據下列的解離方程式,何者必定是酸?
W→H++OH-
X→Ba2++2 Cl-
Y→K++OH-
Z→HCOO-+H+
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
有關於氫氧化鈉,下列何者正確?
有潮解性,放在空氣中易吸收水蒸氣
溶於水會吸熱,故可做冷凍劑
水溶液可使石蕊試紙呈紅色
因其有毒性,故叫燒鹼
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
載滿氨氣的化學車不慎外洩時,應如何處理較恰當?
噴水吸收氨氣
噴泡沫滅火
噴氫氧化鈉中和之
氨氣無害不需要理會
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
下列有關酸與鹼的特性敘述何者正確?
凡濃酸都有脫水性
NH3呈弱酸性
強酸是指腐蝕性大的酸
濃硫酸溶於水時放出大量的熱,使水溫升高
6.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
鍋子內的水面有一層彩色油亮的油汙,小華滴了一滴不是一般常用清潔劑的液體,但是油汙照樣散開,試問此液體可能是下列哪一種?
醋酸水溶液
氫氧化鈉水溶液
葡萄糖水溶液
鹽酸水溶液
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
取硫酸、燒鹼(氫氧化鈉)和食鹽水三瓶水溶液,任意標示為甲、乙、丙,經實驗測試,其結果如表所示。下列何者為甲、乙、丙三瓶水溶液依序排列的正確組合?
硫酸、燒鹼、食鹽水
燒鹼、硫酸、食鹽水
食鹽水、硫酸、燒鹼
食鹽水、燒鹼、硫酸
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