H\(_2\)S\(_{(g)}\)  +  Cl\(_2\)\(_{(g)}\) → 2HCl\(_{(g)}\) + S\(_{(s)}\)

What is the change in oxidation state of sulphur from reactant to product?

If a stable neutral atom has a mass number of 31, the number of electrons and neutrons respectively are

Scandium is not regarded as a transition metal because its ion has 

An example of highly unsaturated hydrocarbon is

Biodegradable pollutants are not safe in water systems because they can cause