
2021-2022中和作用ETV
Authored by Ms. Chan陳文俐
Chemistry
7th Grade
Used 1+ times

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17 questions
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1.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
以下哪項不是酸的特性?
令藍色石蕊試紙變成紅色。
有酸味
有爆炸性
能導電
2.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
以下哪項不是鹼的特性?
有滑溜感覺
有苦澀味
與金屬反應
令紅色石蕊試紙變成藍色
3.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
當氫氯酸慢慢加入氫氧化鈉及石蕊試洶的混合物時,混合物的pH有何變化?
pH上升
pH下降
pH不變
pH=7
4.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
當酸和鹼混合時發生的化學反應名稱是什麼?
抵銷作用
取代反應
光合作用
中和作用
5.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
稀氫氯酸和氫氧化鈉進行中和作用後得出的鹽是什麼?
碳酸鈣
氯化鈣
氯化鈉
碳酸鈉
6.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
最適合用來種植蔬菜的pH值是多少?
5
6
7
8
7.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
如果泥土過酸,農夫會加入甚麼都一和?
石灰水
熟石灰
生石灰
石灰
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