
S3化學強化班30/3
Quiz
•
Chemistry
•
3rd Grade
•
Practice Problem
•
Medium
WW Kuan
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25 questions
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1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
氧化鈣的俗稱為________,其可通過________的分解所得。
生石灰;熟石灰
熟石灰;生石灰
生石灰;石灰石
石灰石;碳酸鈣
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
把過量的二氧化碳通入澄清的石灰水,可觀察到__________。
溶液由澄清變得渾濁
沒有可觀察到的變化
溶液先由澄清變得渾濁,最後又變回澄清的溶液
溶液從無色變成黃綠色
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
__________在自然界以石灰石、白堊和大理石三種形成存石,由其形成的礦物稱為_________。
碳酸鈣;方解石
方解石;碳酸鈣
碳酸鈣;石英
石英;碳酸鈣
4.
MULTIPLE SELECT QUESTION
2 mins • 1 pt
下列哪一/幾種方法可用於收集實驗室所制得的氧氣?
向上排空氣法
排水法
向下排空氣法
以上皆非
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
如何檢驗大理石中含有鈣元素和碳酸鹽?
進行焰色試驗,火焰呈現出磚紅色。
進行焰色試驗,火焰呈現出磚紅色;加入氫氯酸,若生成氣體將其通入澄清的石灰水,可使其變得渾濁。
進行焰色試驗,火焰呈現金黃色;加入硝酸銀溶液,會產生白色沉澱。
進行焰色試驗,火焰呈現出磚紅色;加入氫氯酸,若生成氣體,查看該氣體點燃時是否出現爆鳴聲。
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
質量分數為85%的硫酸銅溶液中,其溶質為________,溶劑為________。
硫酸銅;水
水;硫酸銅
硫酸銅;酒精
酒精;硫酸銅
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
以下哪一項不屬於溶液的特點?
均一性
穩定性
混合物
純淨物
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