1.

(A) Mn _(2) O _(7) and Cr O _(3) are acidic oxides. (R ) In Mn _(2) O _(7)and CrO _(3) the Mn and Cr are in their highest oxidation states.

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Both (A) and (R ) are TRUE and (R ) is the CORRECT EXPLANATION of (A)
Both (A) and (R ) are true and (R ) is not the correct explanation of (A)
(A) is true but (R ) is FALSE
Both (A) and (R )are false

Answer :A


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