What was Dewar's contribution to the study of gases?
Invented gas masks
Liquefied gases
Measured gas pressure
Created gas engines
Answer
Liquefying gases was Dewar's significant contribution to the field of gas research. He devised innovative techniques for compressing and cooling gases, enabling him to transform them into liquid form. This breakthrough allowed for the study of gases at extremely low temperatures, providing valuable insights into their behavior and properties.
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