An aqueous solution of a metal salt, M. gives a white pre...
An aqueous solution of a metal salt, M. gives a white precipitate with NaOH which dissolves in excess NaOH. With aqueous ammonia, the solution of M also gives a white precipitate which dissolves in excess ammonia Therefore the cation in M is
Zn
Ca
Al
Pb
Correct answer is A
No explanation has been provided for this answer.
Consider the reaction represented by the equation: N2O4(g) ⇌ 2NO2(g) ; ∆H = + x kJmol-1 What ha...
Which of the following compounds can be represented by the molecular formula C2 H6O? ...
In the process of silver-plating a metal M, the metal M is the? ...
What is the atomic number of Carbon? ...
The use of sulphur to vulcanize rubber is mad to make it ...
Which of the following is a non-metal that remains liquid at room temperature? ...
Which noble gas is radioactive and is produced as a decay product of uranium and thorium? ...
3CuO(s) + 2NH3(g) → 3Cu(s) + 3H2O(I) N2(g) (i). 2NH3(g) + 3Cl2(g) → 6HCl(g) + N2(g) (ii). ...