CH-521
Separation and purification
Chemistry · Secondary 3 · Easy · Separation and purification
A gas sample is to be purified by bubbling it through aqueous sodium hydroxide solution. Which property of sodium hydroxide makes this method suitable?
- It is a good drying agent for all gases.
- It reacts with acidic impurities in the gas.
- It is insoluble in all gases.
- It condenses all gases to liquids.
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