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Mention the methods used for liquifaction of gases. |
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Answer» Solution :(i). Linde.s method: Joule-Thomson effect is used to get liquid air or any other gas. (II). Claude.s process: In addition to Joule-Thomson effect, the gas is allowed to perfom mechanical work so that more cooling is produced. (iii). ADIABATIC process: this method of cooling is produced by removing the magnetic property of magnetic material e.g. Gadolinium sulphate. by this method, a temperature of `10^(-4)K` i.e., as low as zero kelvin can be achieved. |
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