Which of the following metals will not react with solution of `CuSO_4`? (A) Fe (B) Zn (C) Mg (D) Ag

Which of the following does not react with oxygen directly? Zn,Ti,Pt,Fe .

Which of the following metals cannot be extracted by the smelting process ? Al, Zn, Fe and Pb .

Considering Ellingham diagram, which of the following metals can be used to reduce alumina? (a)Mg (b)Zn (c)Fe (d)Cu

Fe can displace which of the following ions from their aqueous solutions? (a) Na^(+) (b) Zn^(2+) (c) Cu^(2+) (d) Ag^(+)

The metal used to recover copper from a solution of CuSO_(4) is :

Which metal gives hydrogen with all of the following: water, acids, alkalis ? (A) Fe (B) Zn (C) Mg (D) Pb

In which of the following including metal at least 5 atoms are in a line? (A) [Ag(NH_(3))_(2)]^(+) (B) [Ag(CN)_(2)]^(-) (C) [Ag(SCN)_(2)]^(-) (D) [Pt(CN)_(4)]^(-2)

Generally metals react with acids to give salt and hydrogen gas. Which of the following acids does not give hydrogen gas on reacting with metals (except Mn and Mg)?

Generally metals react with acids to give salt and hydrogen gas. Which of the following acids does not give hydrogen gas on reacting with metals (except Mn and Mg)?

Out of the following metals which will give H_(2) on reaction with NaOH: I: Zn, , II:Mg , III: Al, , IV:Be