Chemistry The chemical used in embalming biological materials is Ethylene glycol Formaldehyde in water Gaseous formaldehyde Formaldehyde in methanol Ethylene glycol Formaldehyde in water Gaseous formaldehyde Formaldehyde in methanol ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which type of radiations are absorbed by the upper layer of the atmosphere? Visible Ultraviolet Infrared Radio-waves Visible Ultraviolet Infrared Radio-waves ANSWER DOWNLOAD EXAMIANS APP
Chemistry A balloon filled with helium rises in air because The balloon is weightless Helium is less dense than air Helium pushes down on the air below the balloon Air exerts an upward force on the balloon The balloon is weightless Helium is less dense than air Helium pushes down on the air below the balloon Air exerts an upward force on the balloon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Magnetite is FeCO3 Fe2O3 Fe3O4 2Fe2O3. 3H2O FeCO3 Fe2O3 Fe3O4 2Fe2O3. 3H2O ANSWER DOWNLOAD EXAMIANS APP
Chemistry Silicon is a Nonconductor Semiconductor Insulator Conductor Nonconductor Semiconductor Insulator Conductor ANSWER DOWNLOAD EXAMIANS APP
Chemistry The chief source for the production of nitrogeneous fertilizers is : Nitrogen Nitric acid Ammonia Nitrogen dioxide Nitrogen Nitric acid Ammonia Nitrogen dioxide ANSWER DOWNLOAD EXAMIANS APP
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