An element used in the production of matches is
...An element used in the production of matches is
nitrogen
aluminium
copper
sulphur
Correct answer is D
No explanation has been provided for this answer.
The above reaction is an example of ...
Alkaline hydrolysis of naturally occurring fats and oils yields...
The removal of rust from iron by treatment with tetraoxosulphate (IV) acid is based on the? ...
In which of the following crystals are the particles held by van der Waal's forces only? ...