1.

(A) The noble metals like gold ,platinum dissolved in aqua regia (R ) 3:1 ratio of Conc HCl and Conc HNO_(3) is called aqua regia

Answer»

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 :B


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