
化學式練習
Quiz
•
Science
•
12th Grade
•
Practice Problem
•
Easy
莊博宇 莊博宇
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24 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
碳酸鈉的化學式,你選哪個?(提示:它俗稱蘇打啦!)
Answer explanation
碳酸鈉俗稱蘇打,為白色粉末,是清潔劑中常見的成分,也可用來製造玻璃與肥皂。
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
碳酸氫鈉的化學式,你選哪個?(提示:它跟蘇打是好朋友,俗稱小蘇打!)
Answer explanation
碳酸氫鈉俗稱小蘇打,為白色固體,可作為胃藥來中和胃酸,也常用於製作麵包,使其膨鬆。
3.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
水的化學式,你選哪個?(提示:它跟二氧化碳是好兄弟!)
Answer explanation
水是生命必需的物質,以兩種氫原子和一個氧原子組成的分子組成。
4.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
二氧化碳的化學式,你選哪個?(提示:它常常在呼吸時被排出,也是溫室氣體喔!)
Answer explanation
二氧化碳是由一個碳原子和兩個氧原子組成的分子1。二氧化碳是碳循環中的重要分子,在光合作用和呼吸作用中扮演重要角色。二氧化碳也是溫室氣體之一。
5.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
二氧化硫的化學式,你選哪個?(提示:它通常是酸雨的罪魁禍首!)
Answer explanation
二氧化硫是空氣污染物,常使其他物質發生還原作用,可漂白動物織品原料、竹筷和蔬果,若在食品中殘留過量,有礙健康。
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
氯化鈉的化學式,你選哪個?(提示:它可是餐桌上的常客,也是維持身體機能的重要角色喔!)
Answer explanation
氯化鈉俗稱食鹽,是日常生活中不可或缺的調味料,也是人體重要的電解質來源。
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
硫酸的化學式,你選哪個?(提示:它可是化學工業之母,具有強烈的腐蝕性,要小心使用喔!)
Answer explanation
硫酸是一種具有強烈腐蝕性的無機酸,廣泛應用於化學工業、肥料製造和實驗室研究。
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