The gas that gives brown colouration in brown ring test i...
The gas that gives brown colouration in brown ring test is
NO
CO2
NO2
CO
Correct answer is A
No explanation has been provided for this answer.
The atomic weight of nitrogen is? ...
Which of the following equations represents a neutralization reaction? ...
Mg(s) + 2HCl(aq) → MgCl2(aq) + H2(g) From the equation above, the mass of magnesium required t...
If a reaction is exothermic and there is a great disorder, it means that? ...
A common characteristic shared by iron and aluminium is that both? ...
Water is said to be temporarily hard when it contains ...
In the redox reaction\( 2Fe^{2+} + CI_2 → 2Fe^{3+} + 2Cl^-\) ...