Chemistry Catalytic converters are generally made from : Hydrogen Carbon Transition metals Alkaline metals Hydrogen Carbon Transition metals Alkaline metals ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ozone saves the biosphere by absorbing high energy radiations called ________ . Ultraviolet rays (UV) Gamma rays X–rays Infra-red (IR) Ultraviolet rays (UV) Gamma rays X–rays Infra-red (IR) 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 The gas produced in marshy places due to decomposition of vegetation is Sulphur dioxide Carbon monoxide Methane Carbon dioxide Sulphur dioxide Carbon monoxide Methane Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The total energy of revolving electron in an atom Cannot be negative Can never be positive Will always be positive Can have any value above zero Cannot be negative Can never be positive Will always be positive Can have any value above zero ANSWER DOWNLOAD EXAMIANS APP
Chemistry Periodic table contains how many groups 16 19 18 17 16 19 18 17 ANSWER DOWNLOAD EXAMIANS APP
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