
107國中自然2下_3-4
Authored by Yu Liu
Other
7th - 9th Grade
Used 5+ times

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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
小杰以廣用試紙測試四種溶液的酸鹼度,則下列四種溶液中,何者可以使廣用試紙呈現黃色?
石灰水
氨水
氫氧化鈉水溶液
稀鹽酸
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
4 M的鹽酸2公升,倒掉0.5公升之後,試問鹽酸的濃度將變為多少M?
4
3
2
1
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
在純水中加入哪一種物質後,可使酚酞指示劑呈紅色反應?
醋酸
食鹽
氫氧化鈉
汽水
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
下列何者不能用以檢驗物質的酸鹼性?
廣用試紙
石蕊試劑
氯化亞鈷試紙
pH計
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
廣用試紙在中性溶液中會呈何種顏色?
紅
黃
綠
藍
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
如果將原本12 M的濃鹽酸1公升加水稀釋成3公升,則稀釋後的鹽酸溶液濃度為多少M?
6
4
3
2
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
下列日常生活經常接觸的液體中,何者在常溫時的pH值大於7?
肥皂水、氨水
食醋、檸檬汁
糖水、食鹽水
尿液、胃液
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