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初三随便测

Authored by LIM KANG林惟康

Science

8th - 9th Grade

Used 3+ times

初三随便测
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12 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

请问你们的科学老师的名字是

林违抗

林惟康

林伟康

林唯康

2.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

以下哪一种现象不是化学变化(多选题)

铁放久了会生锈

摩擦火柴头上的磷燃烧

碎纸机将纸张撕碎

水变成水蒸气

3.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

若某一种变化有气体的产生一定是化学变化?

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

酸在水中被电离时一定会产生的正离子是?

氢离子

氧离子

碳酸氢离子

氢氧根离子

5.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

以下哪个会使石蕊试液变红?(多选题)

盐酸

石灰水

硫酸

肥皂水

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

酚酞遇到酸性物体时会是什么颜色?

白色

红色

透明

蓝色

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

有新物质的产生就一定是化学变化

不一定

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