Chemistry The cathode of a lead storage battery is made up of Zinc Lead oxide Manganese dioxide Lead Zinc Lead oxide Manganese dioxide Lead ANSWER DOWNLOAD EXAMIANS APP
Chemistry Global warming is mainly due to accumulation of Carbon dioxide Oxides of sulphur Carbon monoxide Oxides of nitrogen Carbon dioxide Oxides of sulphur Carbon monoxide Oxides of nitrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Adding Cl2 to benzene in the presence of AlCl3 is an example of : Addition reaction Elimination reaction Substitution reaction None of the options Addition reaction Elimination reaction Substitution reaction None of the options ANSWER DOWNLOAD EXAMIANS APP
Chemistry Permanent – hardness of water may be removed by addition of Sodium carbonate Lime Alum Potassium Permangante Sodium carbonate Lime Alum Potassium Permangante 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 carbon hydrogen oxygen nitrogen carbon hydrogen oxygen nitrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry A substance which readily forms colloidal solution in contact with water is called Associated colloid Hydrophilic colloid Extrinsic colloid Hydrophobic colloid Associated colloid Hydrophilic colloid Extrinsic colloid Hydrophobic colloid ANSWER DOWNLOAD EXAMIANS APP