Chemi Flashcards by Katie Ariel | Brainscape

Q

How to dry water?

A

H2SO4

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Q

What is Alkaline lime?（碱石灰是什么？）

A

NaOH & CaO

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Q

What CAN’T be dried with H2SO4?

A

NH3（氨气）

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Q

What do you use to dry NH3?

A

CaCl2 (Anhydrous calcium chloride) （无水氯化钙）

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Q

What can alkaline lime dry?（碱右灰可以干燥什么？）

A

CO2, SO2, HCl （acidic gases)（酸性气体）

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Q

四大沉淀是什么？(What are the four main precipitates?)

A

BaCO3, CaCO3, BaSo4, AgCl

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Q

How to classify the four main precipitates?

A

BaCO3 & CaCO3 不溶于水，但溶于酸
BaSO4 & AgCl 不溶于水，也不溶于酸

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Q

五种可溶性碱？

A

NH3·H2O
KOH
NaOH
Ba(OH)2
Ca(OH)2

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Q

What is the colour of Fe(OH)3 and Cu(OH)2?

A

氢氧化铁：红褐色
氢氧化铜：蓝色

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Q

浓硫酸的特性？浓盐酸的特性？

A

H2SO4: 吸水性
HCl: 挥发性

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Q

氢氧化钠特性？

A

易潮解

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Q

可溶性盐？

A

所有钠盐、钾盐、铵盐、硝酸盐和除氯化银（AgCl）外的所有氯盐

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Q

NaOH变质化学式？

A

2NaOH+CO2=Na2CO3+H2O

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