酸碱测试
Quiz
•
Chemistry
•
9th Grade
•
Medium
Wong Lok
Used 11+ times
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15 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
何者为大自然的酸碱指示剂
含青霉素的植物
含花青素的植物
人的舌头
独角兽
Answer explanation
花青素,一类广泛存在于植物中的水溶性天然色素,具有和石蕊类似的变色特性。
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
珊瑚礁在酸性环境中是否会溶解乃至消失?
是
是吗?
否
原来如此
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
碱是什么?
在水中电离时生成的正离子全部为氢离子(H+) 的化合物
在水中电离时产生的负离子都是氢氧根离子(OH-)的化合物
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
如何区分base与alkali
base是在水中电离时生成的正离子全部为氢离子(H+) 的化合物
base是溶于水的alkali
alkali是溶于水的base
base是贝斯,alkali是小提琴
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
人体血液一般维持在多少pH值?
10
6.5~7.5
7
7.35~7.45
Answer explanation
pH过高会造成碱中毒,pH过低会造成酸中毒
6.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
人体酸碱平衡调节机制有哪三个?
化学缓冲液
皮肤
呼吸系统
肾脏
眼睛
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
酸碱食物摄入不平衡有使血液pH值偏离正常值范围的倾向,这时人体会如何解决呢?!!
缓冲溶液很快与过剩的酸或碱结合,使其恢复至正常范围内
使用水之呼吸叄之型——流流舞来降温
使出白金之星将pH值击打至正常范围内
没看见就代表没事情
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