5-2線上搶答(5/27)

5-2線上搶答(5/27)

11th - 12th Grade

20 Qs

quiz-placeholder

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5-2線上搶答(5/27)

5-2線上搶答(5/27)

Assessment

Quiz

Chemistry

11th - 12th Grade

Practice Problem

Hard

Created by

縣立永靖國中鄭傑元 縣立永靖國中鄭傑元

Used 6+ times

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20 questions

Show all answers

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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