
第16節十分鐘小測
Authored by QTSSCI QTSSCI
Science
1st Grade

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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
1 X是白色固體。在焰色試驗中,X令火焰呈金黃色。把X的水溶液和硝酸銀溶液混合,有白色沉澱物生成。
X可能是
A 氯化鈣。
B 硫酸鈣。
C 硝酸鈉。
D 碳酸鈉。
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
2 下列的化學品,何者適合用來製造制酸劑?
(1) 氫氧化鉀
(2) 氫氧化鎂
(3) 氫氧化鋁
A 只有 (1)
B 只有 (2)
C 只有 (1) 和 (3)
D 只有 (2) 和 (3)
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
3 下列哪對溶液混合時不會生成沉澱物?
A NaCl(aq) 和MgSO4(aq)
B KCl(aq) 和 AgNO3(aq)
C NH3(aq) 和 FeSO4(aq)
D Na2CO3(aq) 和 Ca(NO3)2(aq)
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A 硫酸銅(II)。
B 硝酸鉛(II)。
C 硫酸鎂。
D 氯化鋅。
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
5 可用下列哪些物質來辨別硝酸鈣溶液和硝酸鉛(II)溶液?
(1) 鋅片
(2) 稀氫氧化鈉溶液
(3) 碳酸鈉溶液
A 只有 (1) 和 (2)
B 只有 (1) 和 (3)
C 只有 (2) 和 (3)
D (1)、(2) 和 (3)
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
6 下列哪項是製備硫酸鈣的最佳方法?
A 把鈣加進稀硫酸中。
B 把氧化鈣加進稀硫酸中。
C 把氯化鈣溶液加進稀硫酸中。
D 把碳酸鈣加進稀硫酸中。
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
7 下列的方法,何者不合適用於製備二氧化碳?
A 把碳酸鈉粉末加進稀乙酸中。
B 把碳酸鈣粉末加進稀硫酸中。
C 把碳酸鉀粉末加進稀氫氯酸中。
D 把碳酸鎂粉末加進稀硝酸中。
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