
【功课】初三科学:CH1 1.1-1.3
Authored by 白佩珊(古晋四中) 白佩珊(古晋四中)
Science
8th Grade
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
下列物质属于酸的是( )
氢氧化钠
醋酸
食盐
纯碱
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
下列化合物中,不属于酸的是(
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
下列食物中,酸性最强的是( )
苹果
葡萄
牛奶
豆浆
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
括号内为一些食物的近似PH,对于胃酸过多的病人,空腹时最宜食用的食物是
苹果(2.9~3.3)
玉米粥(6.8~8.0)
葡萄(3.5~4.5)
牛奶(6.3~6.6)
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
下列物质的水溶液中,滴入酚酞溶液显红色的是( )
食醋
盐酸
稀硫酸
熟石灰
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
下列物质能使紫色石蕊试液变蓝的是( )
HCl
NaCl
NaOH
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
二氧化碳溶解在水中形成了哪一种酸?
碳酸
醋酸
柠檬酸
乳酸
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