The metal that liberates hydrogen from cold water in bubb...
The metal that liberates hydrogen from cold water in bubbles only is?
Na
K
Ca
Al
Correct answer is C
After a second or so, the calcium metal begins to bubble vigorously as it reacts with the water, producing hydrogen gas, and a cloudy white precipitate of calcium hydroxide.
The allotropy of carbon used in the decolourization of sugar is ...
The properties of a good primary standard include the following except ...
In the redox reaction2Fe2++CI2→2Fe3++2Cl− ...
Hydrogen diffuses through a porous plug ...
Zone refining is used for the purification of ...
Which one of the following is not a mixture? ...
Consider the following table Substitute Meltig point / ºC Boiling point / &...