下列哪一個不是食鹽的特性呢?

自然3上U4廚房裡的科學

Quiz
•
Education
•
1st - 5th Grade
•
Medium
沈惠雯 沈惠雯
Used 5+ times
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
會完全溶解在水中
加入水中會使水呈現淡黃色
摸起來粗粗的
嘗起來鹹鹹的
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
「砂糖、食鹽、檸檬酸、沙子、小蘇打粉、麵粉」以上6種物質中有幾種能溶解於水?
2種
3種
4種
5種
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
小喬用紗布把黃色砂糖包起來,然後放入水中,過一陣子後,把紗布拿起來,發現砂糖都不見了。請問砂糖跑到哪裡去了呢?
砂糖消失了
砂糖跑到空氣中了
砂糖被紗布吸走了
砂糖溶解在水中了
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
小寒想要讓剛加入杯底的砂糖顆粒加速溶解,他可以怎麼做呢?
加入食鹽
快速攪拌
加入冰塊降溫
再加入更多的砂糖
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
在10毫升的冷水中,砂糖的溶解量約為3平匙;在10毫升的熱水中,砂糖的溶解量則約為6平匙。這樣的實驗結果可以怎麼解釋?
冷水比熱水能溶解更多砂糖
水溫越高,能溶解的砂糖越多
砂糖溶解的量不受水溫影響
不同溫度下,砂糖的溶解量都相同
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
將紫色高麗菜汁加入下列哪一種水溶液後,會變成偏藍綠色?
食鹽水
檸檬酸水
小蘇打水
醋
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
有一種水溶液倒入紫色高麗菜汁後,會變偏紅色,且聞起來有股酸味,這種水溶液應該是下列哪一種?
砂糖水
小蘇打水
食鹽水
醋
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