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Continue to ChatWhich of the following gas is used for cooling in refrigerators? https://pastmcqs.pk/which-of-the-following-gas-is-used-for-cooling-in-refrigerators/
Which of the following gas is used for cooling in refrigerators? https://pastmcqs.pk/which-of-the-following-gas-is-used-for-cooling-in-refrigerators/