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If `Cl_(2)` gas is enclosed in presence of powdered charcoal in a closed vessel, the pressure of the gas decreases. It is because :A. the gas molecules are absorbed at the surfaceB. the gas molecules concentrate at the surface of the charcoalC. the gas molecules are adsorbed at the surfaceD. the gas molecules are desorbed by the surface |
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Answer» Correct Answer - B::C |
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