Liquefied air is mainly a mixture of nitrogen and oxygen which can be separated into its components by fractional distillation (Boiling point of nitrogen is 196°C, Boiling point of oxygen is 174°C)
(a) Name the fraction which distills over first. Give the reason for your answer.
(b) Give another industrial application of fractional distillation as a separation technique.
(a) Name the fraction which distills over first. Give the reason for your answer.
(b) Give another industrial application of fractional distillation as a separation technique.
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Correct Answer: Option n
Explanation:
(a) Nitrogen distils over first before oxygen because nitrogen has lower boiling point and it is therefore more volatile than oxygen
(b) Fractional distillation of petroleum
(a) Nitrogen distils over first before oxygen because nitrogen has lower boiling point and it is therefore more volatile than oxygen
(b) Fractional distillation of petroleum