
5-2線上搶答(5/27)
Authored by 縣立永靖國中鄭傑元 縣立永靖國中鄭傑元
Chemistry
11th - 12th Grade
Used 6+ times

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20 questions
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1.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
烴類是指含有那種元素的有機物
碳、氫、氧
碳、氫
碳、氫、氧、氮、硫
含碳的都是
2.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
下列哪一個屬於烴類?
乙烷
乙酸
乙醇
甘油
3.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
丙烷是哪一個?
CH4
C2H6
C3H8
C4H10
4.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
下列烷類敘述何者錯誤?
桶裝瓦斯主要成分為丙烷(另有少量丁烷)
蠟燭為碳數30以上烷類
烷類在空氣中燃燒生成CO2和H2O
烷類通常易溶於水
5.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
下列何者正確?
天然氣屬於純物質
烷類的來源可使用石油分餾
辛烷值是汽油的抗爆震程度,通常越小越好
甲苯可以稀釋油漆,氣味香醇,吸入氣味對人類無害
6.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
乙醇(酒精)的敘述,何者正確
有殺菌作用,以100%濃度效果最佳
易溶於水,酸鹼中性
可用醋經發酵作用,釀造成酒精
乙醇化學式C3H7OH
7.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
醇類敘述何者錯誤
甘油(丙三醇)可使用於小孩便秘
甲醇俗稱木精
甲醇加入乙醇混和,可當成燃料,稱為變性酒精
甲醇可以添加入酒類飲用
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