
南一國中自然2下_ch3-4
Authored by 南一 自然
Science
8th Grade
Used 15+ times

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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
鹽類產生的途徑很多,試問下列哪一個方法無法產生鹽類?
將鹽酸加到鋅粒上
硫酸滴入水中
氫氧化鈉加入醋中
氫氧化鈣和鹽酸混合
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
在酸鹼中和的實驗中,可以發現當反應開始發生時,溫度會如何改變?
下降
不變
上升
不一定,視酸鹼濃度而定
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
小明在筆記本上寫了一個離子反應關係式為 H++OH-→H2O。他一時忘了這是個什麼反應的離子反應式,請問它是下列哪一種反應?
氫和氧化合成水
水的電解
水的解離
酸鹼中和
4.
MULTIPLE CHOICE QUESTION
0 sec • 1 pt
下列哪一種鹽類物質在廚房中可做為製作糕點的原料,又可在乾粉滅火器中發現其成分?
硫酸鈣
碳酸氫鈉
碳酸鈣
氯化鈉
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
下列哪兩種物質進行化學反應後可取得硫酸鈣生成物?
硫酸+氫氧化鈉
硫酸+氫氧化鈣
碳酸鈣+氫氧化鈉
碳酸鈣+氫氧化鈣
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
以鹽酸與任意鹼性物質進行酸鹼中和後,其生成物不可能出現下列何者?
NH4Cl
NaCl
CaCl2
Na2CO3
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
下列有關酸、鹼、鹽的敘述,何者錯誤?
酸和鹼反應會產生鹽類、水及熱量
酸類可以和鎂帶反應,產生氫氣
鹼具有滑膩感,可以溶解油脂
鹽類溶液必為中性
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