Chemistry Petroleum is a mixture of Polymers Elements Salts Hydrocarbons Polymers Elements Salts Hydrocarbons ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is the element required for solar energy conversion ? Tantalum Silicon Ultra pure carbon Beryllium Tantalum Silicon Ultra pure carbon Beryllium ANSWER DOWNLOAD EXAMIANS APP
Chemistry The element absorbed both in cation and anion form is Calcium Nitrogen Sulphur Phosphorus Calcium Nitrogen Sulphur Phosphorus ANSWER DOWNLOAD EXAMIANS APP
Chemistry The chemical formula of the laughing gas is N2O3 NO N2O NO2 N2O3 NO N2O NO2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following elements is used in the manufacture of fertilizers ? Lead Potassium Fluorine Aluminium Lead Potassium Fluorine Aluminium ANSWER DOWNLOAD EXAMIANS APP
Chemistry The human body is made up of several chemical elements; the element present in the highest proportion (65%) in the body is hydrogen carbon nitrogen oxygen hydrogen carbon nitrogen oxygen ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS