Chemistry Ozone layer of atmosphere absorbs: Ultraviolet rays Cosmic rays. All radiations of Light Infra-red rays Ultraviolet rays Cosmic rays. All radiations of Light Infra-red rays ANSWER DOWNLOAD EXAMIANS APP
Chemistry When Hydrogen starts burning in air, it produces ? Carbonic Acid Ammonia Water Methane Carbonic Acid Ammonia Water Methane ANSWER DOWNLOAD EXAMIANS APP
Chemistry The rusting of iron is a/an Electrochemical change Electrical change None of these Physical change Electrochemical change Electrical change None of these Physical change ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ionisation energy of nitrogen is greater than that of oxygen because nitrogen has High nuclear charge Smaller atomic radius High bond dissociation energy Stable half filled 2p sub level High nuclear charge Smaller atomic radius High bond dissociation energy Stable half filled 2p sub level ANSWER DOWNLOAD EXAMIANS APP
Chemistry Iodine can be separated from a mixture of Iodine and Potassium Chloride by Sublimation Sedimentation Filtration Distillation Sublimation Sedimentation Filtration Distillation ANSWER DOWNLOAD EXAMIANS APP
Chemistry 'Vinegar' is a commercial name of Acetic acid Hydrochloric acid Citric acid Oxalic acid Acetic acid Hydrochloric acid Citric acid Oxalic acid ANSWER DOWNLOAD EXAMIANS APP
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