5 mL of each of Conc HCl, HNO3 and a mixture of Conc Hcl (15mL) and con HNO3 (5 ml) was taken in a separate test tube and labeled as A, B, C. A small piece of metal was put in each test tube, no change occurred in test tube A and B but the metal got dissolved in test tube C. The metal could be
(a)	Al	(b)	Au	(c)	Cu	(d)	Na

Question ID - 154646 | SaraNextGen Top Answer

5 mL of each of Conc HCl, HNO3 and a mixture of Conc Hcl (15mL) and con HNO3 (5 ml) was taken in a separate test tube and labeled as A, B, C. A small piece of metal was put in each test tube, no change occurred in test tube A and B but the metal got dissolved in test tube C. The metal could be
(a)	Al	(b)	Au	(c)	Cu	(d)	Na