Chemistry Ruby and sapphire are oxides of Copper Aluminium Iron Tin Copper Aluminium Iron Tin ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which gas is most stable at room temperature H2 N2 F2 O2 H2 N2 F2 O2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Alcohol prepared by the distillation of wood is : Propyl alcohol Glycerol Ethyl alcohol Methyl alcohol Propyl alcohol Glycerol Ethyl alcohol Methyl alcohol ANSWER DOWNLOAD EXAMIANS APP
Chemistry Who developed the model of atomic structure ? Faraday Alfred Nobel Volta Bohr and Rutherford Faraday Alfred Nobel Volta Bohr and Rutherford ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ozone layer of atmosphere absorbs: Infra-red rays Cosmic rays. All radiations of Light Ultraviolet rays Infra-red rays Cosmic rays. All radiations of Light Ultraviolet rays ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ozone layer is present in Troposphere Ionosphere Stratosphere Exosphere Troposphere Ionosphere Stratosphere Exosphere ANSWER DOWNLOAD EXAMIANS APP