
第三單元part1

Quiz
•
Science
•
5th Grade
•
Medium
陳秀婷 陳秀婷
Used 6+ times
FREE Resource
28 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
溶解後水溶液的重量有什麼特性?
水溶液的重量=溶質重量+溶劑重量
溶解後水溶液重量不變
溶解後水溶液變輕了
不同的水溶液,溶解後水溶液重量可能變輕,也可能變重
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
將紫色高麗菜汁滴入下列哪一種水溶液中,會變成偏紅色?
食鹽水
小蘇打水
石灰水
醋
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
如果身體不慎接觸到強酸或強鹼等化學溶液,應該怎麼處理,才不會造成更嚴重的傷害?
在患處塗抹醬油或牙膏
用大量清水沖洗,並盡速就醫
用強鹼或強酸性物品塗抹患處
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
有一種水溶液滴在紅色石蕊試紙上會使試紙呈現藍色,這種水溶液可能是下列哪一種?
小蘇打水
食鹽水
醋
汽水
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
下列關於自製酸鹼指示劑的注意事項,哪一項敘述是正確的?
一定要選擇新鮮的水果當材料
不能用紫色以外的植物當材料
植物的汁液要先經過冷藏才能使用
最好選用顏色較深的植物,效果較佳
6.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
如下圖,連接了電池和發光二極體的電路裝置中,宏力在純水中逐漸加入哪一種物質之後,可以讓發光二極體發亮?
彈珠
橡皮筋
醋
細沙
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
我們可以使用石蕊試紙來檢驗水溶液的哪種性質?
溶解性
酸鹼性
導電性
食用性
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