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Assertion: Gases are easily absorbed on the surface of metals, especially transition metals. Reason: Transition metals have free valenciesA. If both (`A`) and (`R`) are correct and (`R`) is the correct explanation of (`A`).B. If both (`A`) and (`R`) are correct, but (`R`) is not the correct explanation of (`A`).C. If (`A`) is correct, but (`R`) is incorrect.D. If (`A`) is incorrect, but (`R`) is correct.

Answer» Correct Answer - A::B::C::D
Because of free valencies of transition metal, gases easily gets abosorbed on the surface of metal.


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