
初二科学
Authored by neoh yan
Science
7th Grade
Used 7+ times

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40 questions
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1.
FILL IN THE BLANK QUESTION
30 sec • 1 pt
请写出大气压的值
2.
FILL IN THE BLANK QUESTION
1 min • 1 pt
(气体的温度)
一定质量的气体,在体积不变的条件下,压强随温度的降低而
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
空气密度越 ,气体压强越
小,大
小,小
大,大
大,小
4.
FILL IN THE BLANK QUESTION
1 min • 1 pt
(气体的体积)
在温度不变时,一定质量的气体,体积越小,压强越
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
以下哪项是错误的
溶质是被溶解的物质
溶液能溶解其他物种的物质
水是万能溶剂
常用的溶剂还有酒精,汽油等
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
以下哪项是对的
对流层的密度小
大气层不能为地球上的生物提供氧气
大气层不能阻挡对地球生物造成危害的紫外线辐射
外层的密度小
7.
FILL IN THE BLANK QUESTION
1 min • 1 pt
pH值小于 的降水
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