
R7 第1回定期考査対策
Quiz
•
Science
•
9th - 12th Grade
•
Practice Problem
•
Easy
髙野 博
Used 2+ times
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30 questions
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1.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
生物によって,二酸化炭素と水に分解されやすいプラスチックを何というか。
2.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
一般に,プラスチックと金属のうち,腐食しやすいものはどちらか。
3.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
銅と亜鉛の合金は,やわらかく,加工しやすいため,硬貨や楽器などに利用される。この合金を何というか。
4.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
加熱するとやわらかくなり,冷却するとかたくなるプラスチックを何というか。
5.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
ポリエチレンとポリスチレンに,それぞれ酢酸エチルを加えると,溶けるのはどちらか。
6.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
メラミン樹脂の小片を,ガスバーナーの炎にかざすと,どのように変化するか。
7.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
銅の製錬では,銅鉱石を高温で硫化銅(Ⅰ)に変化させ,転炉中で酸素と反応させる。このとき得られる銅を何というか。
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