
國中理化第四冊3-5
Quiz
•
Science
•
8th Grade
•
Practice Problem
•
Medium
王維義 王維義
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20 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
可用來作為外科治骨折時的石膏模的成分是:
氯化鈣
碳酸鈣
硫酸鈣
磷酸鈣
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
有關酸雨的原因,下列何者最正確?
自然界中的雨水,本來就是酸雨
酸雨是因為雨水溶解太多的氧氣所造成的
因為空氣中的二氧化硫增多,使雨水的酸性增強,而形成酸雨
因為空氣中的臭氧太多,使雨水變成更酸,而成為酸雨
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
有關鹽類的俗名,下列何者錯誤?
食鹽即為NaCl
石膏即為CaSO4
洗滌鹼即為Na2CO3
小蘇打即為CaCO3
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
酸鹼中和的實驗中,可以發現反應後,混合溶液溫度會如何改變?
下降
不變
上升
不一定
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
將質量不同之氫氧化鈉固體溶於水中,以固定濃度的稀硫酸中和,結果如附表,則第四次實驗中所需的稀硫酸為多少毫升?
7.5mL
15mL
30mL
60mL
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
平平到實驗室準備藥品,他發現實驗桌上有七瓶藥品,標籤均已脫落。為了辨別藥品,他做了一些測試,附表為他測試的結果,甲~庚應該分別標上何種藥品?
濃硫酸、濃硝酸、濃鹽酸、純醋酸、氫氧化鈣、氨水、氫氧化鈉
濃硝酸、濃硫酸、純醋酸、濃鹽酸、氫氧化鈉、氫氧化鈣、氨水
濃鹽酸、純醋酸、濃硫酸、濃硝酸、氨水、氫氧化鈉、氫氧化鈣
濃硝酸、濃鹽酸、濃硫酸、純醋酸、氫氧化鈣、氫氧化鈉、氨水
7.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
小明在文具店裡發現一種叫「炸彈包」,只要把裡面的一小包液體擠破,「炸彈包」就會立即膨脹,最後爆炸。事實上在「炸彈包」裡,小包液體是裝檸檬酸,袋內還裝有白色粉末,則白色粉末的成分,可能是下列何者?
氧化鎂粉末
小蘇打粉末
石膏粉
澱粉
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