國中自然2上ch2-3混合物的分離
Flashcard
•
Biology
•
8th Grade
•
Practice Problem
•
Easy
建豪 霍
Used 3+ times
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8 questions
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1.
FLASHCARD QUESTION
Front
食鹽與細砂分離的實驗步驟:
Back
溶解→過濾→蒸發→結晶
2.
FLASHCARD QUESTION
Front
利用顆粒大小分離物質的步驟
Back
過濾
3.
FLASHCARD QUESTION
Front
附表顯示甲、乙在A、B、C三種液體中的溶解情形,最適合分離甲、乙的液體是?
Back
B
4.
FLASHCARD QUESTION
Front
濾紙撕去一小角的目的
Back
使濾紙在過濾時能貼緊漏斗內壁
5.
FLASHCARD QUESTION
Front
小華將砂子和木屑混合後,加入水輕易分開,利用了何種性質?
Back
密度
6.
FLASHCARD QUESTION
Front
過濾物倒入漏斗時的正確方法
Back
利用燒杯尖唇使液體沿玻棒流入漏斗中的濾紙上,以免濾液四濺
7.
FLASHCARD QUESTION
Front
煮燒酒雞時加入米酒,為何會聞到濃濃的酒香?
Back
酒精的沸點比水低
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