自然五下期末平時模擬考(南一CH3-4)
Quiz
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Science
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5th Grade - University
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Practice Problem
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30 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
進行水溶液的酸鹼性檢驗,下列何者是不可能出現的?
藍色石蕊試紙:
變紅色
紅色石蕊試紙:
變藍色
藍色石蕊試紙:
無變色
紅色石蕊試紙:
變藍色
藍色石蕊試紙:
無變色
紅色石蕊試紙:
無變色
藍色石蕊試紙:
變紅色
紅色石蕊試紙:
無變色
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
有關食鹽水和糖水的共同特性,何者是正確的?
能導電
無法導電
加入紫色高麗菜汁呈現紅色
加入紫色高麗菜汁呈現無變色
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
請問伏特是什麼的單位?
電流
電量
電壓
電阻
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
石蕊試紙是由什麼生物中提取的浸液?
石蕊草
石蕊花
石蕊地衣
石蕊菌草
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
使用石蕊試紙時,下列哪一項是錯誤行為?
用鑷子夾取石蕊試紙
用石蕊試紙沾水溶液
用棉花棒沾水溶液塗在石蕊試紙上
石蕊試紙不重複使用
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
品心有一杯檸檬汁和紫色高麗菜汁的混合水溶液,
華佑說:「誰有方法調製出中性水溶液嗎?」請選出正確的方法。
緩慢加入石灰水,直到變成紅色為止。
緩慢加入食鹽水,直到變成紅色為止。
緩慢加入石灰水,直到變成紫色為止。
緩慢加入食鹽水,直到變成紫色為止。
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
茶壺中出現的水垢是(甲)性的沉澱物,能用(乙)將水垢洗淨,
(甲)、(乙)依序為何?
(甲):鹼性 (乙):小蘇打水
(甲):酸性 (乙):小蘇打水
(甲):鹼性 (乙):檸檬酸
(甲):酸性 (乙):檸檬酸
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