1.

Assertion (A):The lustrous white colour of the silver anklet slowly changes into slightly anklet slowly changes into slightly back colour. Reason(R ):Silver anklet reacts with H_(2)S in the air to form Ag_(2)S (silver sulphide) which in black In colour.

Answer»

Both (A)and ( R) CORRECT
(A) is correct but (R ) is WRONG
Both (A) and (R ) are wrong
(A) is wrong but (R ) is correct

Answer :A


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