Chemistry Quiz
Authored by chen xiaoxu
Chemistry
6th Grade
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7 questions
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1.
OPEN ENDED QUESTION
3 mins • 1 pt
当两种或两种以上元素的原子结合在一起时，它们形成什么样的物质？
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2.
OPEN ENDED QUESTION
3 mins • 1 pt
混合物由什么组成？
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3.
OPEN ENDED QUESTION
3 mins • 1 pt
a. 列举元素硫的两个性质。b. 列举元素铁的三个性质。c. 当铁和硫制成混合物时，当磁铁放在上面时会发生什么？d. 当铁和硫的混合物加入水中时会发生什么？e. 当铁和硫的原子在一起加热时会发生什么？f. 在原子加热时形成什么物质？g. 列举这种新物质的两个性质。
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4.
OPEN ENDED QUESTION
3 mins • 1 pt
a 什么是合金？b 列举一种合金并说明它由什么制成。
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5.
OPEN ENDED QUESTION
3 mins • 1 pt
用来制作：a 磁铁b 飞机机身的合金是什么？
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6.
OPEN ENDED QUESTION
3 mins • 1 pt
悬浮液和沉淀物之间有什么区别？
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7.
OPEN ENDED QUESTION
3 mins • 1 pt
如果你把一种固体物质放入水中并搅拌，你如何判断这种物质是：a 可溶的b 不溶的？
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