The pollutant usually presents in a city which generates ...
The pollutant usually presents in a city which generates its electricity from coal?
fog
carbon(ii)oxide
smog
sulphur(iv)oxide
Correct answer is D
In the majority of power plants, sulfur appears due to coal burning which is used to generate electricity.
The main use of salt in the diet is to ...
The nucleus of a hydrogen atom consist of a? ...
A salt which loses mass when exposed to air is...
Detergents are manufactured with straight hydrocarbon chains so as to make them ...
Protons and electrons are called fundamental particles because they---------- ...