
自然2-2A
Authored by 林琳林 林琳林
8th Grade
Used 2+ times

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30 questions
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1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
在 25℃時,100 公克的水最多能溶解 35 公克的食鹽,若在 400 公克的水中加入 100 公克的食鹽,則下列敘述何者正確?
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
甲、乙兩燒杯皆盛有 20℃、50 g 的水,分別加入室溫下的二鉻酸鉀 10 g 及 20 g,經充分攪拌靜置後,兩燒杯皆有未溶解的二鉻酸鉀,各取甲、乙兩燒杯的上層溶液 10 g 加入丙燒杯中充分混合,則溶液濃度大小的比較,下列何者正確?
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
在下列哪一種溫度時,一定量的水可以溶解最多的硫酸銅?
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
從 30%食鹽水溶液 300 mL 中取出 100 mL,則剩下溶液的濃度應為多少%?
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
下列哪種物質不能與水混合形成水溶液?
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
沙拉油與水混合搖動,然後靜置於桌面數分鐘,下列結果何者正確?
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
設 20℃時,100 公克的水最多可以溶解食鹽 36 公克;若在 200 公克的水中溶入 50 公克的食鹽,則此溶液是何種狀態的溶液?
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