Chemistry Ozone layer of atmosphere absorbs: All radiations of Light Infra-red rays Cosmic rays. Ultraviolet rays All radiations of Light Infra-red rays Cosmic rays. Ultraviolet rays ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas dissolved in water that makes it basic is : Carbon dioxide Ammonia Sulphur dioxide Hydrogen Carbon dioxide Ammonia Sulphur dioxide Hydrogen ANSWER DOWNLOAD EXAMIANS APP
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 pair of compounds used as anaesthetic in medicines : Nitrous oxide, Chloroform Nitrogen dioxide, ether Chloroform, Nitrogen dioxide Ether, Ammonia Nitrous oxide, Chloroform Nitrogen dioxide, ether Chloroform, Nitrogen dioxide Ether, Ammonia ANSWER DOWNLOAD EXAMIANS APP
Chemistry Hard water and soft water can be distinguished by using Liquid soap Ordinary soap Detergent Dilute acid Liquid soap Ordinary soap Detergent Dilute acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry In vulcanisation process, rubber can be hardened by adding Silicon Sulphur Alcohol Nitrogen Silicon Sulphur Alcohol Nitrogen ANSWER DOWNLOAD EXAMIANS APP