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第三章:酸、碱、盐

Authored by Teacher Cheah Wing Lam

Chemistry

3rd Grade

Used 135+ times

第三章:酸、碱、盐
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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  \rightarrow  

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  \rightarrow  

LiSO4 + H2

Li2SO4 + H2O

Li2SO4 + H2

Li3PO4 + H2O

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

碳酸镁 + 稀盐酸 \rightarrow  

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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