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4-3燃燒三要素

Authored by Wen YiTing

Science

5th Grade

Used 6+ times

4-3燃燒三要素
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6 questions

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1.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

可以幫助物體燃燒的物質稱為什麼?

助燃物

易燃物

可燃物

氧化物

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

下列哪一項是可燃物?

棉布

二氧化碳

氧氣

3.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

下列何者是屬於可燃物?

瓦斯

木炭

紙張

以上皆是

4.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

所有物質的燃點都相同,只要溫度低於此燃點,物質就不會燃燒。

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

木屑比木棍容易燃燒,所以同一物質的燃點不是固定的。

6.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

燃燒的三要素不包含下列哪一個?

要有氧氣助燃

溫度達到燃點

隔絕空氣

要有可燃物

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