自然五下_3-2水溶液的酸鹼性
Quiz
•
Chemistry
•
5th Grade
•
Practice Problem
•
Medium
LIAO SIAOMEI
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12 questions
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1.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
下列哪一位科學家發明了石蕊試紙?
波以耳
愛因斯坦
惠更斯
居禮夫人
2.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
使用紫色高麗菜汁可以測試出水溶液的哪一種性質?
酸鹼性
導電性
腐蝕性
溫度
3.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
用紫色高麗菜汁檢測下列水溶液,哪一組水溶液呈現的顏色相同?
砂糖水、食鹽水
醋、砂糖水
檸檬酸、石灰水
小蘇打水、食鹽水
4.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
皮膚不小心碰到鹽酸時,應該要如何處理?
以少量強鹼沖洗
以少量弱鹼沖洗
以大量清水沖洗
不須處理
5.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
酸性與鹼性水溶液互相混合後,塗在紅色、藍色石蕊試紙上都不變色,表示水溶液趨向什麼性質?
酸性
鹼性
中性
無法判斷
6.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
將加入紫色高麗菜汁的哪兩種溶液混合之後可能會呈現紫色?
石灰水+砂糖水
小蘇打水+檸檬酸
檸檬酸+醋
小蘇打水+石灰水
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
下列關於使用生活中水溶液的敘述,哪一項是正確的?
使用清潔劑時,不須閱讀使用說明
身體沾到強酸、強鹼時要用大量的清水沖洗
可以任意拿取有危險性的水溶液
清潔劑要放在隨手可得的地方,如餐桌上
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