Addition of dilute hydrochloride acid to an aqueous solut...
Addition of dilute hydrochloride acid to an aqueous solution of a crystalline salt yield a yellow precipitate and a gas which turned dichromate paper green. The crystalline salt was probably?
Na2SO4
Na2S
Na2S2O3.5H2O
Na2CO3
NaHCO3
Correct answer is C
No explanation has been provided for this answer.
The preferential discharge of ions during electrolysis is influenced by the ...
Which of the following solids would not decompose on heating? ...
A gas exerts pressure on its container because? ...
The atomic number of an atom would be equal to its mass number if it ...
The IUPAC name of the compound CF\(_3\)CHBrCl is...
Protons and electrons are called fundamental particles because they---------- ...