Chemistry The total energy of revolving electron in an atom Can never be positive Cannot be negative Can have any value above zero Will always be positive Can never be positive Cannot be negative Can have any value above zero Will always be positive ANSWER DOWNLOAD EXAMIANS APP
Chemistry The anode of a dry cell is made up of Zinc Cadmium Lead Iron Zinc Cadmium Lead Iron ANSWER DOWNLOAD EXAMIANS APP
Chemistry Williamson's synthesis is widely used in the laboratory preparation of Aldehydes Ethers Esters Alcohols Aldehydes Ethers Esters Alcohols ANSWER DOWNLOAD EXAMIANS APP
Chemistry Combustion of a candle is a/an Photochemical reaction Physical change Exothermic reaction Endothermic reaction Photochemical reaction Physical change Exothermic reaction Endothermic reaction ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas which emits from rice field is All of these Ethane Methane Nitrogen All of these Ethane Methane Nitrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Acid rain is caused due to pollution of atmosphere by Oxides of nitrogen and sulphur None of these Oxides of nitrogen and phosphorous Oxides of carbon and nitrogen Oxides of nitrogen and sulphur None of these Oxides of nitrogen and phosphorous Oxides of carbon and nitrogen ANSWER DOWNLOAD EXAMIANS APP