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s2_chap9_9.1-9.2_chi_A

Authored by Steven Wong

Science

8th Grade

Used 7+ times

s2_chap9_9.1-9.2_chi_A
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10 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

紅葡萄皮的汁液在酸性和鹼性溶液中會呈現不同顏色,所以它可用作酸鹼指示劑。

T

F

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

我們可以用石蕊試紙來量度溶液的pH值。

T

F

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

溶液的pH值愈小,表示它的酸度愈低。

T

F

4.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

下列哪些物質不會使藍色石蕊試紙變成紅色?

玻璃清潔劑

蒸餾水

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

下列哪種物質的pH值最低?

綠茶

漂白水

橙汁

啤酒

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

使用酸性或鹼性溶液時,溶液的分量不應超過容器體積的 _____________。

1/2

1/3

1/4

1/5

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

一些天然物質會在酸性和鹼性溶液中呈現不同顏色,我們稱這些物質為_________________________。

天然指示劑

中性指示劑

酸性指示劑

鹼性指示劑

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