
第三章:酸、碱、盐
Authored by Teacher Cheah Wing Lam
Chemistry
3rd Grade
Used 135+ times

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20 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
HCl + NaOH -> _______
NaCl + H2O + CO2
NaCl + CO2
NaCl + H2O
CO2 + H2O
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
稀盐酸 + 氢氧化钾
溴化钾 + 氢气
氯化钾 + 水
氯化钾 + 氢气
溴化钾 + 水
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Li + H2SO4
LiSO4 + H2
Li2SO4 + H2O
Li2SO4 + H2
Li3PO4 + H2O
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
碳酸镁 + 稀盐酸
MgCl2 + CO2 + H2O
MgCl + CO2 + H2O
MgCl2 + CO2 + H2
Mg2Cl3 + CO + H2O
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
为什么硝酸和金属反应不生成氢气?因为
硝酸具有挥发性
硝酸具有腐蚀性
硝酸具有吸水性
硝酸具有强氧化性
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
人体胃液中含有
硫酸
盐酸
硝酸
碳酸
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
以下都是酸的性质,除了
pH值少于7
电离时生成氢离子
摸起来有滑腻感
带有酸味
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