2 mL each of concentrated HCl, HNO3 and a mixture of concentrated HCl and concentrated HNO3 in the ratio of 3: 1 were taken in test tubes labelled as A, B and C. A small piece of metal was put in each test tube. No change occurred in test tubes A and B but the metal got dissolved in test tube C respectively. The metal could be
(a) Al
(b) Au
(c) Cu
(d) Pt
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1
Answer: Au
Option b is correct
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Option b is correct
Hope it helps you
Mark me as a brainlist ☺️
Answered by
0
Answer:
Au
b is right brainliest please i need your support
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