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 The chemical name of 'laughing gas' is Nitrogen pentoxide Nitrogen dioxide Nitric oxide Nitrous oxide Nitrogen pentoxide Nitrogen dioxide Nitric oxide Nitrous oxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Spontaneous change is one in there is: A lowering of entropy Increase in free energy An increase in Internal energy A lowering of free energy A lowering of entropy Increase in free energy An increase in Internal energy A lowering of free energy ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following substance's smell is similar to Ethanoic acid? Vinegar Lemon Kerosene Tomato juice Vinegar Lemon Kerosene Tomato juice ANSWER DOWNLOAD EXAMIANS APP
Chemistry Muddy water is treated with alum in purification process, itis termed as : Absorption Adsorption Emulsification Coagulation Absorption Adsorption Emulsification Coagulation ANSWER DOWNLOAD EXAMIANS APP
Chemistry If lime water is kept in the air, it turns milky due to presence of : Carbondioxide Nitrogen Oxygen Sulphurdioxide Carbondioxide Nitrogen Oxygen Sulphurdioxide ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS