Write the name of any two substance that Samreen CO2 is a gas write its any two gaseous properties to justify it how can we liquefy gases solid CO2 is also known as dry ice why
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This gas can be liquefied by applying a pressure and reducing the temperature to bring gas molecules close to each other. Solid carbon dioxide is called dry ice because on heating it does not melt but sublimes i.e. on heating it directly changes into gas form. since there is no liquid form it must be dry.
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