Reeta went to a jewellars shop with her mother .gave an old old jewellary to gold smith to polish there was a slight loss in its weight this is because gold dissolves in
a] Conc .Hydrochloric acid
b] conc sulphuric acid
c] Mixture of con hydrochloric acid and con nitric acid in 3:1 ratio
d] None of these
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Answer:
(d ) none of them
Explanation:
none of them can be answered
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