
考考你:第61章 檢測物質中的化學物種
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Chemistry
9th - 12th Grade
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
化合物M是白色固體。它在焰色試驗中產生磚紅色的火焰。把酸化硝酸銀溶液加入含有M的水溶液時,有白色沉澱生成。下列哪物質可能是M?
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
把小量氫氧化鈉溶液分別加進下列各水溶液後,它們均會生成沉澱。在這些溶液中,哪些沉澱可溶於過量氫氧化鈉溶液中?
(1) Al₂(SO₄)₃(aq)
(2) Pb(NO₃)₂(aq)
(3) FeCl₃(aq)
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
對鹽Y進行了兩項試驗,結果如圖中所示。 下列哪項或哪些有關Y的推定可能正確?
(1) 它是水合鹽。
(2) 它含有某第II族金屬的離子。
(3) 它在焰色試驗中產生藍綠色的火焰。
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Q是白色固體。它與氫氧化鈉溶液一起加熱時,所產生的氣體使濕潤的紅色石蕊試紙變為藍色。把酸化硝酸銀溶液加入含有Q的水溶液時,有一有色沉澱生成。下列哪物質可能是Q?
(1) NH₄NO₃
(2) NH₄Br
(3) NH₄I
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
下列哪些反應會產生一帶有刺鼻氣味的氣體?
(1) 把數滴稀氫氯酸加進次氯酸鈉溶液中
(2) 把數滴稀氫氯酸加進亞硫酸鈉溶液中
(3) 把數滴稀氫氯酸加進碳酸鈉溶液中
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
下列哪些試驗可用來顯示亞硫酸根離子的存在?
(1) 加入溴水
(2) 加入酸化重鉻酸鉀溶液
(3) 加入酸化高錳酸鉀溶液
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
下列哪個試驗可用來顯示乙酸含有羧基?
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