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Q.

Statement 1: Ag and Au are extracted by leaching their ores with a dilute solution of NaCN.

Statement 2: Impurities associated with these ores dissolve in NaCN.

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a

Both statements 1 and 2 are correct

b

Statement 1 is incorrect and statement 2 is correct

c

Both statements 1 and 2 are incorrect

d

Statement 1 is correct and Statement 2 is incorrect

answer is B.

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Detailed Solution

 Ag and Au dissolve in NaCN solution to form their soluble complexes. 

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