Search Header Logo

課題一 地球

Authored by Chemistry Aristo

Chemistry

7th - 9th Grade

Used 104+ times

課題一 地球
AI

AI Actions

Add similar questions

Adjust reading levels

Convert to real-world scenario

Translate activity

More...

    Content View

    Student View

20 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

下列哪個危險警告標籤應貼在盛有氧的集氣瓶上?

Media Image
Media Image
Media Image
Media Image

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

下列哪個組合正確?

Media Image
Media Image
Media Image
Media Image

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

下列哪項正確描述在焰色試驗中物質產生的焰色?

Media Image
Media Image
Media Image
Media Image

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

下列哪項有關液態空氣的分餾的陳述正確?

A. 分餾過程利用空氣成分的密度差異,把它們分離出來。

B. 氮最先被沸騰出來,原因是它的沸點最低。

C. 在淨化空氣的過程中,會把經過濾的空氣冷卻至–80°C,以除去二氧化碳和氧。

D. 在空氣液化的過程中,會把經淨化的空氣重複壓縮和冷卻,直至温度降至–100°C。

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

下列哪幅圖正確顯示由元素和化合物組成的混合物的粒子排列方式?

Media Image
Media Image
Media Image
Media Image

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

某氣體不能使有餘燼的木條重燃,而它的沸點是–196°C。該氣體是甚麼?

A. 氧

B. 水蒸氣

C. 氮

D. 二氧化碳

7.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Media Image

電解海水的實驗裝置如圖所示。

盛載氣體XY的集氣瓶上分別應貼有甚麼危險警告標籤?

Media Image
Media Image
Media Image
Media Image

Access all questions and much more by creating a free account

Create resources

Host any resource

Get auto-graded reports

Google

Continue with Google

Email

Continue with Email

Classlink

Continue with Classlink

Clever

Continue with Clever

or continue with

Microsoft

Microsoft

Apple

Apple

Others

Others

Already have an account?