Question

Q.1 :<br />Give 2 examples of freezing mixture <br />Q2:<br />Is it is possible to liquify CO2 gas at 50 °C ? Give reason

Answer 1

q1- dry ice and salt
-dry ice and alcohol

q2- no because it's critical temperature is 30.98 so it is not possible to liquify the co2 gas

Answer 2

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Give two examples of freezing mixture? Is it possible to liquify CO2 gas at 50°C?Give reason.

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here it is....!!

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Two examples of freezing mixture :

• dry ice and alchohol
• ice water and salt

What is a freezing mixture?

It is a mixture of two or more substances(e.g. given above)which can be used to produce temperatures below the freezing point of water.

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Yes, it is possible to liquefy CO2 gas at 50°c because every gas has a critical point where it melts and CO2 can be liquefied very easily the temperature needed is 304 k or 31 °C

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