阿如老師要教導學生調配水溶液,她應該要用什麼來調配水溶液,才能減少實驗誤差?
109南一五下自然期末水溶液性質和力與運動(題庫版)

Quiz
•
Science
•
5th - 6th Grade
•
Easy
Lin I-Cheng
Used 13+ times
FREE Resource
20 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
純水
石灰水
砂糖水
食鹽水
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
利用哪一種方式觀察不清楚來源的水溶液比較安全?
用眼睛看
用鼻子靠近聞氣味
用舌頭嘗味道
用手指觸摸
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
透過下列哪一種性質無法區別水和紅茶?
外觀是否透明無色
是否有固定的形狀
聞起來是否有香氣
喝起來有沒有特別的味道
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
小紫將下列各組水溶液混合,再利用紫色高麗菜汁檢測酸鹼性,請問哪一組混合的水溶液測出來的顏色可能會是紫色系?
石灰水+砂糖水
石灰水+小蘇打水
食鹽水+醋
醋+小蘇打水
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
用棉花棒沾取某種水溶液,再分別塗在紅、藍石蕊試紙,結果發現紅色試紙變藍色,藍色試紙不變色,請問這種水溶液的酸鹼性質是什麼?
酸性
鹼性
中性
實驗結果無法說明
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
將食鹽水與砂糖水混合後,用藍色石蕊試紙檢測,試紙會呈現什麼顏色呢?
紫色
黃色
藍色
紅色
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
月兒用紫色高麗菜汁測試甲溶液,水溶液呈現藍色;用紫色高麗菜汁測試乙溶液,水溶液呈現綠色,最後她將甲、乙兩種溶液混合,用紅色石蕊試紙測試,可能會得到什麼顏色?
紅色
黃色
紫色
藍色
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