Chemistry The human body is made up of several chemical elements; the element present in the highest proportion (65%) in the body is oxygen carbon nitrogen hydrogen oxygen carbon nitrogen hydrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Adding Cl2 to benzene in the presence of AlCl3 is an example of : Substitution reaction Addition reaction None of the options Elimination reaction Substitution reaction Addition reaction None of the options Elimination reaction ANSWER DOWNLOAD EXAMIANS APP
Chemistry Highest percentage of carbon is found in which form of coal? Lignite Peat Anthracite Bituminous Lignite Peat Anthracite Bituminous ANSWER DOWNLOAD EXAMIANS APP
Chemistry The chemical name of 'laughing gas' is Nitrogen pentoxide Nitrogen dioxide Nitric oxide Nitrous oxide Nitrogen pentoxide Nitrogen dioxide Nitric oxide Nitrous oxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Silver gets corroded due to ________ in air. Hydrogen Sulphide Oxygen Carbon dioxide Nitrogen Hydrogen Sulphide Oxygen Carbon dioxide Nitrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is most electronegative Carbon Tin Lead Silicon Carbon Tin Lead Silicon ANSWER DOWNLOAD EXAMIANS APP