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8下1-1質量守恆

Authored by 王嘉銘 老師

Chemistry

8th Grade

Used 11+ times

8下1-1質量守恆
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10 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

質量守恆定律是哪一個科學家所提出來的?

道耳頓

拉瓦節

牛頓

虎克

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

下列哪一個不是常見的化學反應的現象?

產生沉澱

產生氣體

顏色變化

質量變化

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

碳酸鈉與氯化鈣的產物不包括下列哪個?

碳酸鈣

氯化鈉

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

碳酸鈉與氯化鈣反應會產生碳酸鈣沉澱,請問,碳酸鈣的顏色為何?

綠色

紅色

藍色

白色

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

碳酸鈣與鹽酸反應的產物中,不包含下列哪一個?

氯化鈣

二氧化碳

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

以口吹氣到澄清石灰水中,可以看到什麼現象?

沉澱

顏色改變

產生氣體

產生光和熱

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

鹽酸與碳酸鈣反應,可以看到什麼現象?

沉澱

顏色改變

產生氣體

產生光和熱

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