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
8.
FLASHCARD QUESTION
Front
從食鹽水得食鹽晶體的性質
Back
食鹽的沸點較水高
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