Chemistry The total energy of revolving electron in an atom Can have any value above zero Cannot be negative Can never be positive Will always be positive Can have any value above zero Cannot be negative Can never be positive Will always be positive ANSWER DOWNLOAD EXAMIANS APP
Chemistry Silicon is a Nonconductor Insulator Semiconductor Conductor Nonconductor Insulator Semiconductor Conductor ANSWER DOWNLOAD EXAMIANS APP
Chemistry Among the following iron ores, the highest percentage of iron content is found in– Magnetite Limnonite None of these Haemetite Magnetite Limnonite None of these Haemetite ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas dissolved in water that makes it basic is : Hydrogen Sulphur dioxide Ammonia Carbon dioxide Hydrogen Sulphur dioxide Ammonia Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Normal rainwater is slightly acidic due to the presence of None of these Sulphur dioxide Methane Carbon dioxide None of these Sulphur dioxide Methane Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Zone refining is used for the purification of Ag Au Cu Ge Ag Au Cu Ge ANSWER DOWNLOAD EXAMIANS APP