
原油和塑料
Authored by Yiu ycp
Science
9th Grade
Used 4+ times

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12 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
由於不同的碳氫化合物有不同的熔點,所以原油中各種碳氫化合物可因此分隔出來。
對
錯
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
聚合物是巨大分子,由數以千計的單體組成。
對
錯
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
塑料輕巧而脆弱。
對
錯
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
由於塑料的抗腐蝕能力高,因此水管多以塑料製造。
對
錯
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
合金是
銅和錫混合而成的新物質。
金屬和其他元素混合而成的新物質。
在太空形成的新物質。
記憶金屬。
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
下列哪項關於原油的敍述是不正確的?
原油可以用來製造塑料。
原油是需要數百萬年才形成的化石燃料。
原油通常直接用作燃料。
原油是多種碳氫化合物的混合物。
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
下列哪項關於原油分餾的敍述是正確的?
分餾法把原油中不同大小的碳氫化合物分隔開來。
分餾法把較大的碳氫化合物分子分解成較小的分子。
每一層餾份含單一種化合物。
把原油分餾前,要先把瀝青從原油過濾出來。
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