有關銅的敘述,下列何者錯誤?

國二下理化Chap2-1 氧化反應 2025 0123

Quiz
•
Chemistry
•
8th Grade
•
Hard
Sone Wang
FREE Resource
20 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
銅呈紅棕色
不易燃燒
銅的氧化物不易溶於水
銅對氧的活性小於金
2.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
鎂或硫在空氣中燃燒產生光和熱,這是屬於何種反應?
分解反應
氧化反應
中和反應
汽化反應
3.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
下列何者不是氧化反應?
鐵生鏽
電燈發光
銅加熱後表面生成黑色物質
紙張燃燒
4.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
將磷的燃燒產物溶於水,則此水溶液會呈現何種酸鹼性?
酸性
鹼性
中性
不一定,視水的體積而變化。
5.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
大部分的非金屬氧化物溶於水中,其水溶液的特性是什麼?
呈酸性,可使藍色石蕊試紙變紅
呈鹼性,可使紅色石蕊試紙變藍
呈中性,對石蕊試紙無影響
不一定,視水的體積而變化。
6.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
將鋅在空氣中燃燒後的產物溶於水中,用石蕊試紙測試其水溶液,試紙將呈現何種顏色?
紅色
黃色
綠色
藍色
7.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
下列哪一組金屬的氧化物均不易溶於水?
鋁、銅
鈉、鉀
鋅、鐵
銅、鐵
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