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初三碱和盐

Authored by LIM KANG林惟康

Chemistry

3rd Grade

Used 106+ times

初三碱和盐
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15 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

碱性液体在电离时会产生的负离子是?

OHOH^-

SO42SO_4^{2-}

NO3NO_3^-

HH^-

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

NaOH电离时会产生什么物质?

Na++OHNa^++OH^-

H++NO3H^++NO_3^-

Na++ClNa^++Cl^-

NaO+H+NaO+H^+

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

下列哪项东西能使酚酞变红色?

肥皂水

肥宅快乐水

柠檬水

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

氢氧化钙的化学符号是?

Ca(OH)2Ca\left(OH\right)_2

NaOHNaOH

CaCl2CaCl_2

Cu(OH)2Cu\left(OH\right)_2

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

下列选项中不是氢氧化钠(NaOH)的性质?

氢氧化钠水溶液可以用来鉴定二氧化碳

强腐蚀性

与酸能进行中和反应

可以使石蕊试液变蓝色

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

氢氧化钙会潮解。

不是

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

氢氧化钙的水溶液又称之为?

符水

圣水

石灰水

蒸馏水

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