B4T2_3-3到5-2
Authored by chungtsen chen
Science
8th - 9th Grade
Used 4+ times
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40 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
下列有關酵素的敘述何者正確？
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
下列反應何者是可逆反應？
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
我們在博物館看到的古文物中，通常銅器多於鐵器；但人類利用鐵器較銅器廣泛。會有如此現象，最可能與銅和鐵的何種性質有關？
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
以前的農夫會在經過酸雨酸化的農地燃燒稻草，其主要目的為何？
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
下列哪一個反應速率最快？
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
下列金屬中，何者在空氣中與氧發生反應的速率最緩慢？
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
醇和有機酸混合加熱發生酯化的反應速率很慢，通常會加入下列哪一種物質當作催化劑？
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