What was the first refrigerant used in continuous refrigeration system?
सतत प्रशीतन प्रणाली में प्रयोग किया जाने वाला पहला रेफ्रिजरेंट कौन सा था?
Ammonia
Carbon dioxide
Water
Air
Water
Water was the first refrigerant used in first ever refrigeration system.
Properties of water as a refrigerant :
Hence, the correct option is (C).
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