how to seperate nitrogen from air
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By a process called fractional distillation of liquid air to produce nitrogen . In simple terms, a four-step process is used: cool it, isolate the nitrogen, separate it from the air, and then collect it.
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MY Dear friend here your answer ::
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1. Paper chromatography is the technique to separate pigments from the natural colour.
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1. Paper chromatography is the technique to separate pigments from the natural colour.
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