Three test tube containing : Test Tube X : 5 mL of  HCl Test Tube Y: 5 mL of HNO3 Test Tube Z: 15 ml of HCl + 5 ml of HNO3 A small piece of metal was added in all the three test tubes. It dissolves only in test tube Z. The metal is
(a)	Al	(b)	Au	(c)	Cu	(d)	Ag

Question ID - 154604 | SaraNextGen Top Answer

Three test tube containing : Test Tube X : 5 mL of  HCl Test Tube Y: 5 mL of HNO3 Test Tube Z: 15 ml of HCl + 5 ml of HNO3 A small piece of metal was added in all the three test tubes. It dissolves only in test tube Z. The metal is
(a)	Al	(b)	Au	(c)	Cu	(d)	Ag