2022初三化學第一段考前強化班
Quiz
•
Chemistry
•
9th Grade
•
Practice Problem
•
Medium
WW Kuan
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26 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
以下哪種物質與稀氫氯酸混合後,不能產生二氧化碳/氫氣?
熟石灰
石灰石
大理石
鋅
2.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
以下物質的pH值會在7以上的有:
茶
胃藥
蘇打粉
牙膏
潔廁劑
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
以下物質中,屬於弱鹼的有_。
苛性鉀
哥士的
阿摩尼亞
石灰水
4.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
如果不慎把_倒到大理石板表面也不會過於擔心,因為其不會與大理石發生反應產生氣體。
潔廁劑
通渠劑
蘇打粉溶液
稀硝酸
5.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
濃硫酸具有吸水性,可表現為
把帶有水霧的燒杯放在有少量濃硫酸的容器中,水霧會慢慢褪去
使硫酸銅由藍色變成白色
使方糖變黑
在紙上塗鴉後,塗鴉處會變黑色
6.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
對於酸度過高的土壤,可通過灑上___或___與酸性物質發生中和作用以降低其酸度。
石灰石粉
熟石灰粉
檸檬汁
鐵絲
7.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
濃硫酸的特性包括:
吸水性
脫水性
腐蝕性
刺激性
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