
自然八下ch.3習作(翰林)
Quiz
•
Science
•
8th Grade
•
Practice Problem
•
Hard
阿豪 國中自然
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
下列何者是酸性溶液與鹼性溶液的共同性質?
可使紅色石蕊試紙變色
水溶液均可以導電
皆可以分解油脂
帶有酸味
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
小華取大理岩、小蘇打、方糖三種物質,觀察其固體在滴了某種液體後的反應,結果如下表所示,則此液體最可能是下列何者?
濃硫酸
稀鹽酸
氨水
石灰水
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
甲液體是一般食醋,乙液體是氨水,丙液體是純水,三者的pH值依大小順序排列,下列何者正確?
乙>甲>丙
乙>丙>甲
甲>乙>丙
甲>丙>乙
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
燒杯中盛有0.1M稀鹽酸100mL,若在燒杯中逐漸滴入0.1M氫氧化鈉水溶液100mL,則有關燒杯中水溶液的氫離子濃度變化的敘述,下列何者正確?
氫離子濃度漸增
氫離子濃度漸減
氫離子濃度先增後減
氫離子濃度先減後增
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
有四杯水溶液其氫離子的濃度如表所示,哪一杯水溶液的pH值最大?
甲
乙
丙
丁
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
阿葉欲以下圖的實驗方式進行酸鹼中和實驗,以酚酞作為指示劑,將鹽酸溶液置於錐形瓶中,再以滴管吸取氫氧化鈉水溶液進行實驗。則下列有關此實驗的敘述何者正確?
酚酞應該加在滴管中
實驗過程中,鹽酸溶液的 pH 值會逐漸增大
反應完成的瞬間,鹽酸溶液的顏色變為無色
若將反應完成的水溶液以酒精燈加熱,會完全蒸乾無殘留物
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
取一杯0.1 M的鹽酸水溶液測量其pH值,請問所得得到的測量值,最有可能為下圖中標示的哪一個?
甲
乙
丙
丁
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