Chemistry Which type of radiations are absorbed by the upper layer of the atmosphere? Ultraviolet Visible Infrared Radio-waves Ultraviolet Visible Infrared Radio-waves ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which among the following is a covalent compound ? Sodium chloride Carbon tetrachloride Calcium chloride Magnesium fluoride Sodium chloride Carbon tetrachloride Calcium chloride Magnesium fluoride ANSWER DOWNLOAD EXAMIANS APP
Chemistry Conversion of chemical energy into electrical energy occurs in Dynamo Atomic bombs Electric heaters A battery Dynamo Atomic bombs Electric heaters A battery ANSWER DOWNLOAD EXAMIANS APP
Chemistry German silver used for making utensils is an alloy of Copper, zinc, nickel Copper, nickel, aluminium Copper, silver, nickel Copper, zinc, aluminium Copper, zinc, nickel Copper, nickel, aluminium Copper, silver, nickel Copper, zinc, aluminium ANSWER DOWNLOAD EXAMIANS APP
Chemistry The element with highest first ionisation energy is Hydrogen Helium Sodium Lithium Hydrogen Helium Sodium Lithium ANSWER DOWNLOAD EXAMIANS APP
Chemistry The major harmful gas emitted by automobile vehicles which causes air pollution is Methane Carbon dioxide Carbon Monoxide Ozone gas Methane Carbon dioxide Carbon Monoxide Ozone gas ANSWER DOWNLOAD EXAMIANS APP
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