
三年级科学 酸性、碱性与中性物质的用途
Quiz
•
Science
•
3rd Grade
•
Hard
SAW Moe
Used 59+ times
FREE Resource
12 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
为什么刷牙要用牙膏?
牙膏是酸性物质,可以杀死细菌
牙膏是碱性物质,能中和及清除牙齿上的酸性物质
牙膏是中性物质,对牙齿无害
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
以下哪一种不是碱性物质的用途?
治疗胃病
清洗伤口
作为洗涤用品
中和口腔内的酸性物质
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
以下哪种不是酸性物质的用途?
清洗眼睛
作为调味料
净化水源
保存食物
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
以下哪种是中性物质的用途?
清洗墙面
改良酸性土壤
腌制食品
进行试验
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
以下哪种用途可能出现在酸性物质和中性物质里?
清洗伤口
清洗墙壁
作为调味料
治疗胃病
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
以下哪项是石蕊试纸的功用?
观察物质的形态
测量物质的质量
测试物质的化学性质
确认物质的导电能力
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
以下哪种物质的水溶液能使
红色石蕊试纸变成蓝色?
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