如果想讓完全溶解在水中的食鹽變回食鹽顆粒,
我們可以用濾紙過濾食鹽水,
回收溶解的食鹽。
5年級自然-水溶液
Quiz
•
Chemistry
•
1st - 5th Grade
•
Medium
Adelaide Hsu
Used 8+ times
FREE Resource
8 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
如果想讓完全溶解在水中的食鹽變回食鹽顆粒,
我們可以用濾紙過濾食鹽水,
回收溶解的食鹽。
對
不對
2.
DRAG AND DROP QUESTION
1 min • 1 pt
有些物質加入水裡,
會均勻散佈在水中而慢慢看不見,
這種現象稱為 (a) 。
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
有種水溶液聞起來甜甜的,
滴在藍色石蕊試紙上試紙會變紅色,
它可能是?
汽水
糖水
醋
小蘇打水
4.
MATCH QUESTION
1 min • 3 pts
配對出正確的紫色高麗菜汁顏色
藍綠色
小蘇打水
粉紅色
食鹽水
紫色
醋
5.
MULTIPLE SELECT QUESTION
45 sec • 2 pts
下面哪些沒有應用到「酸鹼中和」的原理?
煮湯食用食鹽調味
吃胃藥中和胃酸
用酸性清潔劑清洗馬桶水垢
在酸化的土壤灑上石灰粉
在麵線裡面加醋
6.
DRAG AND DROP QUESTION
3 mins • 4 pts
從這個表可以知道:
1. 甲水溶液為 (a) 性,以水溶液為 (b) 性。
2. 將等量、相同濃度的乙和丙水溶液混和後,再用藍色石蕊試紙檢驗,可能會呈現 (c) 色。
3. 如果要將丙水溶液調成中性水溶液,則需加入 (d) 水溶液。(填甲、乙或丙)
7.
MULTIPLE CHOICE QUESTION
30 sec • 2 pts
哪種水溶液連接在電路中,容易使發光二極體發亮,
而且滴入紫色高麗菜之後,顏色會呈現紫色?
純水
小蘇打水
醋
食鹽水
8.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
阿巧在電路中連結某物品,發現電路中的發光二極體會發亮,
表示這個物品具有甚麼特性?
一定是酸性水溶液
一定是鹼性水溶液
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