Chemistry Ozone depletion in the atmosphere is mainly caused by Sulphur dioxide Chlorofluorocarbon Nitrogen dioxide Hydrogen sulphide Sulphur dioxide Chlorofluorocarbon Nitrogen dioxide Hydrogen sulphide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The oil used in the froth floatation process is kerosene oil coconut oil pine oil olive oil kerosene oil coconut oil pine oil olive oil ANSWER DOWNLOAD EXAMIANS APP
Chemistry Colloids can be purified by Dialysis Condensation Condensation Condensation Dialysis Condensation Condensation Condensation ANSWER DOWNLOAD EXAMIANS APP
Chemistry 'Atomic theory' of matter was given by Pascal Newton Avogadro Dalton Pascal Newton Avogadro Dalton ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one out of the following helps in burning ? Nitrogen Carbon dioxide Carbon monoxide Oxygen Nitrogen Carbon dioxide Carbon monoxide Oxygen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Silver gets corroded due to ________ in air. Nitrogen Hydrogen Sulphide Oxygen Carbon dioxide Nitrogen Hydrogen Sulphide Oxygen Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP