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三年級自然期末總複習(1)

Authored by 楊 瑞華

Science

3rd Grade

Used 35+ times

三年級自然期末總複習(1)
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20 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

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2.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

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3.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

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4.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

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Answer explanation

醋為酸性水溶液,倒入紫色高麗菜汁會變偏紅色,不會變偏藍綠色。

5.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

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6.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

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7.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

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Answer explanation

紫色高麗菜汁加入鹼性水溶液中會呈現偏藍綠色;加入酸性水溶液會呈現偏紅色;加入中性水溶液則偏紫色。

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