
南一國中自然2下_ch3-3
Quiz
•
Science
•
8th Grade
•
Practice Problem
•
Hard
南一 自然
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
下列化合物,哪一個加入純水中,不會改變水溶液中氫離子濃度?
NaOH
HNO3
CO2
NaCl
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
下列何者可使廣用試紙呈黃橙色?
肥皂水
水果醋
加鹽料理米酒
高鈣牛奶
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
已知濃硫酸的pH值約為-1.4,胃液的pH值約為1.5,尿液的pH值約為6,肥皂水的pH值約為10,則何者的[H+]最小?
濃硫酸
胃液
尿液
肥皂水
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
甲溶液可使紅色石蕊試紙變藍色,乙溶液可使酚酞試劑變無色,丙溶液可使廣用試劑呈綠色,依[OH-]大小順序排列,何者正確?
甲>乙>丙
甲>丙>乙
乙>甲>丙
乙>丙>甲
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
下列四杯水溶液,何者的[H+]與[OH-]不會相等?
高梁酒
蔗糖水
食鹽水
氨水
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
(a) CO2,(b) SO2,(c) CaO,(d) MgO,(e) NH3;以上五種物質的水溶液,何者的pH值會小於7?
abc
cd
cde
ab
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
下列四種溶液,何者的pH值最大?
葡萄汁
柳橙汁
蘇打水
汽水
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