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Chemistry-info day

Authored by lsc梁瑞柱 lsc梁瑞柱

Chemistry

6th - 8th Grade

Used 2+ times

Chemistry-info day
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6 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

酚酞接觸鹼性溶液後會呈現什麼顏色?

紫色

無色

白色

黃色

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

以下哪種植物汁液常作為酸鹼指示劑?

芒果汁

紫椰菜汁液

橙汁

蘋果汁

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

酸性溶液能將紫椰菜汁液轉為什麼顏色?

藍色

紫色

紅色

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

中性溶液能將紫椰菜汁液轉為什麼顏色?

藍色

紫色

紅色

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

以下哪種溶液呈酸性

檸檬汁

威猛先生

梳打水

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

以下哪種分析方法可準確地找出溶液中酸性物質的含量

重量分析分

滴定法

加入酸鹼指示劑後觀察其顏色變化

測定溶液沸點(沸騰時的溫度)

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