5-2

5-2

8th Grade

10 Qs

quiz-placeholder

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5-2

5-2

Assessment

Quiz

Chemistry

8th Grade

Practice Problem

Hard

Created by

Yesing Tsai

Used 10+ times

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

天然氣的主要成分是下列何者? 

(A) C2H2

(B) CH4

(C) C2H4

(D) C3H8

2.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

液化石油氣的主要成分是下列何者?  

(A) C2H4

(B) CH4

(C) C3H8

 (D) C5H12

3.

MULTIPLE CHOICE QUESTION

10 sec • 1 pt

只含有碳、氫兩種元素的有機化合物稱為下列何者?    

(A)有機酸類

(B)酯類

(C)烴類

(D)醇類

4.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

變性酒精有毒,是因為含有下列何者?    

(A) C2H5OH

(B) CH3COOH

(C) C2H6

(D) CH3OH

5.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

下列哪一個有機化合物含有-COOH 的原子團?   

(A)乙酸乙酯

(B)醋酸

(C)酒精

(D)丙酮

6.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

下列何者為醇類所具備的特性?   

(A)含有-COOH

(B)組成元素為 C、H 

(C)在水中可以解離出 OH-

(D)水溶液呈現中性

7.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

甲醚和乙醇的分子式都是 C2H6O,但兩者的化學性質不同的主要因素,是下列何者所影響?    

(A)原子數目

(B)原子種類

(C)原子間排列方式

(D)原子大小

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