Grade 12th pass10 grade science
Select correct answers from the choices A, B, C, D which are given. Write down only the letter corresponding to the correct answer. A deep blue colour appears when excess of ammonium hydroxide is added to a solution containing the cation: A I 3 + ; F e 2 + ; Zn^(2+) ; Cu^(2+) ;
Select correct answers from the choices A, B, C, D which are given. Write down only the letter corresponding to the correct answer. A deep blue colour appears when excess of ammonium hydroxide is added to a solution containing the cation: A I 3 + ; F e 2 + ; Zn^(2+) ; Cu^(2+) ;
