元素及化合物名稱

元素及化合物名稱

9th Grade

20 Qs

quiz-placeholder

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元素及化合物名稱

元素及化合物名稱

Assessment

Quiz

Chemistry

9th Grade

Practice Problem

Medium

Created by

chi lai

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20 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

「水」的化學式

H2O
H2O2
HO2
OH2

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

「氮氣」的化學式

N2
N2
2N
N

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

「氧氣」的化學式

O
2O
O2
O2

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

「二氧化碳」的化學式

CO
CO2
O2C
CO2

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

「氧化銅(II)」的化學式

CuO

Cu2O

OCu

Cuo

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

「碳酸鈣」的化學式

CaCo3
CaCO3
caCO3
Ca2CO3

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

「碳酸氫鈉」的化學式

NaHCO3
Na2HCO3
NaHCO3
HNaCO3

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