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自然五下U2

Authored by 吳 國榮

Science

6th Grade

Used 1+ times

自然五下U2
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285 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

把澄清石灰水倒入收集氣體的塑膠袋中,如果澄清石灰水變混濁了,可以知道收集到的氣體是二氧化碳

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

酒精燈使用完畢時,直接用嘴吹熄火焰就可以了

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

利用雙氧水和金針菇製造氧氣時,要慢慢將雙氧水倒入裝有金針菇的廣口瓶中,再用透明板蓋住瓶口

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

高樓發生火災時,消防隊會出動雲梯消防車進行滅火

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

學校的走廊、樓梯間、大型廚房等地點,通常都會擺放滅火器

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

看到火災發生,應該設法滅火或立刻撥打119通知消防人員前來滅火

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

燃燒三要素是有可燃物、有二氧化碳和達到燃點,缺少任何一個條件就無法燃燒

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