燃燒是物質和空氣中的氧氣劇烈反應,則下列何者為氧氣的化學式?
金屬與非金屬氧化

Quiz
•
Science
•
7th - 9th Grade
•
Medium
鄭之偉 鄭之偉
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
O
2O
O2
O3
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
所謂氧化反應是指物質與下列何者結合的化學變化?
O2
Na
Cu
H2O
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
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
30 sec • 1 pt
下列各氧化物的水溶液,何者可使石蕊試紙由藍色變紅色?
氧化鐵
氧化鋅
二氧化碳
氧化銅
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
金屬鈉燃燒時火焰呈黃色,燃燒後產生的氧化物為固態的氧化鈉,下列哪一個是氧化鈉的化學式?
Na2O
NaO
NaO2
Na2O2
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
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
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
硫粉燃燒會生成具刺激性氣味的二氧化硫,若將二氧化硫溶於水,則會產生什麼物質?
碳酸
亞硫酸
氫氧化鈉
氧化鎂
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