z自然5-2

z自然5-2

8th Grade

20 Qs

quiz-placeholder

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z自然5-2

z自然5-2

Assessment

Quiz

English

8th Grade

Practice Problem

Medium

Created by

林愛羣 林愛羣

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20 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

下列何者屬於烴類?

C2H5OH

CH3COOH

C2H6

CH3OH

2.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

下列何者屬於烷類?

C2H5OH

C2H6

CHCl3

HCOOH

3.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

下列何者沸點最低?

C2H6

C3H8

C4H10

C5H12

4.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

有關烴類的敘述,下列何者正確?

常溫常壓下,烴類的碳數愈多,愈可能是氣態

無論氧氣是否充足,烴類燃燒時只產生二氧化碳及水

烴類易溶於水

甲烷、乙烷屬於氣態的烴

5.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

烴類為只含碳、氫的有機化合物。請問下列何者不是烴類的性質?

分子式均相同

在氧氣中燃燒可以產生 CO2

在常溫常壓下,碳數少的烴大多數是氣體

在常溫常壓下,碳數多的烴大都是液體或是固體

6.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

下列何者屬於「烴類」?

C6H12O6

乙酸

C2H6

CH3COOC5H11

7.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

請問下列哪一組化合物全部屬於「烴類」?

丙烷(C3H8)、甲醇(CH4O)

甲烷(CH4)、甲酸(CH2O2)

甲醚(C2H6O)、丙醇(C3H8O)

己烷(C6H14)、正二十烷(C20H42)

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