
南一國中自然2下_ch2-2
Quiz
•
Science
•
8th Grade
•
Practice Problem
•
Hard
南一 自然
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
所謂氧化反應是指物質與下列何者化合的化學變化?
鈉
氧
銅
水
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
下列何者不屬於氧化反應?
蠟燭燃燒
鐵生鏽
生物體內的呼吸作用
植物的光合作用
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
已經知道鈉、鋅、銅對氧活性的大小順序為鈉>鋅>銅,則下列哪一個氧化物的安定性最大?
氧化鈉
氧化鋅
氧化銅
三者皆同
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
關於對氧活性小的元素,下列敘述何者正確?
易燃,其氧化物不安定
易燃,其氧化物安定
不易燃,其氧化物不安定
不易燃,其氧化物安定
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
下列金屬氧化物中,何者可用煤焦冶煉?
CaO
MgO
Al2O3
CuO
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
在下列操作中,哪一種不能產生氧化鈣?
鈣在空氣中加熱
鈣和氧化鉀混合加熱
鈣和氧化鋁混合加熱
鈣和氧化銅混合加熱
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
試問下列哪一個反應物組合可以發生氧化還原反應?
Ca+CuO
Au+Fe2O3
Zn+CO2
C+MgO
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