S3第四段大測復習
9th Grade
•22 Qs
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S3第四段大測復習
Quiz
•
Chemistry
•
9th Grade
•
Practice Problem
•
Medium
WW Kuan
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22 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
海水是一種溶著大量鹽類的________。
純淨物
單質
混合物
化合物
2.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
從混濁的海水中提取晶體較小的食鹽顆粒時，所使用的方法有＿＿＿＿。
結晶法（加熱）
過濾法
蒸餾法
結晶法（常溫）
3.
MULTIPLE SELECT QUESTION
45 sec • 5 pts
要從海水中提取快速提取食鹽，使用的方法有＿＿＿＿。
過濾法
結晶法（加熱）
蒸發
結晶（常溫）
4.
MULTIPLE SELECT QUESTION
45 sec • 5 pts
想要從海水中取得純度最高的食鹽，應選用的方法有＿＿＿。
結晶法（常溫）
結晶法（加熱）
蒸餾法
過濾法
蒸發
5.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
海水經過初步過濾後，如果從中提取出純水，所使用的方法是＿＿＿
蒸餾法
蒸發
結晶法
靜置
6.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
燃燒氯化鈉時，其火焰顏色會呈現＿＿＿。
藍綠色
金黃色
淡紫色
磚紅色
7.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
燃燒氫氧化鈣時，火焰顏色會呈現＿＿＿。
藍綠色
磚紅色
金黃色
白色
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