Assertion :When hydrogen gas at high pressure and room temperature expands adiabatically into a region of low pressure, there is a decrease in temperature. Reason: Hydrogen gas at room temperature is above its inversion temperature.

Both Assertion and Reason are correct and Reason is the correct explanation for Assertion

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Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion

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Assertion is correct but Reason is incorrect

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Both Assertion and Reason are incorrect

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Solution

The correct option is D Both Assertion and Reason are incorrect
Hydrogen gas at high pressure and room temperature expands adiabatically into a region of low pressure there is a increase in temperature .
Hydrogen gas inversion temperature is 45 K.

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Assertion :When hydrogen gas at high pressure and room temperature expands adiabatically into a region of low pressure, there is a decrease in temperature. Reason: Hydrogen gas at room temperature is above its inversion temperature.

The correct option is D Both Assertion and Reason are incorrectHydrogen gas at high pressure and room temperature expands adiabatically into a region of low pressure there is a increase in temperature .Hydrogen gas inversion temperature is 45 K.

The correct option is D Both Assertion and Reason are incorrect
Hydrogen gas at high pressure and room temperature expands adiabatically into a region of low pressure there is a increase in temperature .
Hydrogen gas inversion temperature is 45 K.