
實驗3-1電解質與非電解質的區分
Authored by 霍 建豪
Chemistry
8th Grade

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5 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
明華以圖(一)的實驗裝置試驗下列5種水溶液的導電性,實驗結果如表(一)所示,試回答下列問題。
上述實驗中的5種物質,屬於電解質的物質有幾種?
(A) 2種
(B) 3種
(C) 4種
(D) 5種都是
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
硫酸(H2SO4)溶解在水中情形的示意圖,下列何者正確?
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
會使燈泡亮的水溶液,所帶電性為何?
(A)一定帶正電
(B)一定帶負電
(C)一定呈電的中性
(D)可能帶正電或帶負電
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
關於明華實驗結果的推論,下列何者正確?
(A)燈泡不亮表示物質難溶於水
(B)C6H12O6、HCl為非電解質
(C)燈泡亮表示物質為非電解質
(D)NaOH、HCl為鹼性物質
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
下列各物質溶於水的解離反應式,何者正確?
(A)H2SO4→H2++SO42-
(B)NaOH→Na++O2-+H+
(C)HCl→H-+Cl+
(D)KNO3→K++NO3-
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