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 cartion in M is
Zn ++
Ca++
Ai+++
Pb++
Cu++
Correct answer is A
No explanation has been provided for this answer.
Which of the following oxides is amphoteric?...
What is the atomic number of Calcium? ...
What amount of hydrogen will be required for complete hydrogenation of one mole of pent-3-yne? ...
N2(g) + 3H2(g) ↔ 2NH3(g) ΔH = -90 kJ In the equation above, the yield of ammonia can be decrease...
The acid anhydride that will produce weak acid in water is ...
Electrons enter into orbitals in order of increasing energy as exemplified by? ...
Consider the following reaction equation: C\(_{16}\)H\(_{34}\) → C\(_5\)H\(_{12}\) + C\(_{11}\)...