
0226_國二下理化溫故知新
Authored by Sam Pai
Science
8th Grade
Used 1+ times

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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
有機化合物的種類較無機化合物多,主要原因為何呢?
2.
FILL IN THE BLANK QUESTION
1 min • 1 pt
電解質必須通過哪三關,才稱為電解質呢?
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
配置0.04M的氫氧化鈉水溶液0.5公升,但手邊只有0.2M的氫氧化鈉2公升,則需取多少的0.2M氫氧化鈉溶液加水稀釋呢?
0.05公升
0.1公升
0.3公升
0.4公升
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
下列何種物質無法再被氧化呢?
一氧化碳
二氧化碳
碳
硫
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
有20公克物質甲加熱分解得8公克的物質乙和氣體丙,若生成氣體丙與某物質X化合,可生成18公克產物丁,根據質量守恆定理,推測X為幾公克呢?
4公克
5公克
6公克
7公克
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
按元素與在空氣中燃燒的難易程度,比較元素的什麼大小呢?
原子量
活性
個性
原子序
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
哪一種雕像容易受到酸雨侵蝕,產生什麼樣的氣體呢?
青銅雕像,氫氣
青銅雕像,二氧化碳
大理石雕像,二氧化碳
玻璃雕像,二氧化碳
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