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.
The determination of heat of combustion is carried out with ...
The solution with the lowest pH value is ...
In which of the following reactions is sulphur dioxide acting as an oxidizing agent? ...
What properties of duralumin make it more useful than its constituent metals? ...
A polymerization reaction is one in which? ...
The best indicator to use for the titration of ethanoic acid with sodium hydroxide is ...