
1130426藍曬圖
Authored by 郭政郎 郭政郎
Chemistry
2nd Grade
Used 3+ times

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5 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
為何草酸鐵鉀必須隔離光線與酸性物質來收藏,以延長保存的時間?
防止結晶
防止氧化
防止沉澱
防止溶解
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
養晶時使用冰水浴,此一步驟可以說明草酸鐵鉀在水中溶解度和溫度的關係為何?
隨溫度增加溶解度增加
隨溫度增加溶解度減少
隨溫度降低溶解度增加
溫度對溶解度無影響
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
晒圖藍印法曝曬過程中,濾紙會呈現深藍色,且會產生氣泡,試問該氣泡為何種氣體?
氮氣
氧氣
氫氣
二氧化碳
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
在化學實驗中,哪一項不是所需的化學品(反應物)?
氯化鐵
亞鐵氰化鐵
草酸鉀
赤血鹽
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
亞鐵離子和赤血鹽反應尚未照光時是何種顏色?
深藍色
淺綠色
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