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三、水溶液(活動2 酸與鹼)

Authored by 育碩 胡

Chemistry

5th Grade

Used 1+ times

三、水溶液(活動2 酸與鹼)
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50 questions

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1.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

在醋中加入糖水,攪拌均勻後,混合水溶液仍然呈酸性。

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2.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

將紫色高麗菜汁滴入不知名的水溶液中,水溶液呈現偏藍綠色,則可推測水溶液為鹼性。

×

3.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

在鹼性的石灰水中滴入食鹽水後,混合後的水溶液會變成中性。

×

4.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

胃酸過多的人,可以飲用醋來減緩不適,這是酸和鹼互相作用的應用。

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5.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

檢驗小蘇打水的酸鹼性時,藍色石蕊試紙會變成紅色,紅色石蕊試紙會變成藍色。

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6.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

將紫色高麗菜汁滴入某種水溶液中,水溶液呈現偏紅色,可推測該水溶液為鹼性。

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7.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

蝶豆花瓣汁液的顏色會隨著水溶液酸鹼性的不同,呈現規律性的變化,可以作為檢驗水溶液酸鹼性的指示劑。

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