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Question

What instrument is used during fractional distillation to remove water vapour which condenses at -200 C?


A

Refrigerant compressor

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B

Absorbent filters

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C

Refrigerant filters

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D

Coalescing filters

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Solution

The correct option is B

Absorbent filters


Absorbent filters

Desiccant materials absorb water vapor molecules. These molecules are held by electrical forces. This technology is a good choice when the compressed air will be exposed to freezing conditions.


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