Chemistry Ozone saves the biosphere by absorbing high energy radiations called ________ . Infra-red (IR) Gamma rays X–rays Ultraviolet rays (UV) Infra-red (IR) Gamma rays X–rays Ultraviolet rays (UV) ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is the strongest base in aqueous solution ? Ethylamine Triethylamine Ammonia Diethylamine Ethylamine Triethylamine Ammonia Diethylamine ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following pollutants is main product of automobile exhaust ? CO CO2 Hydrocarbons NO CO CO2 Hydrocarbons NO ANSWER DOWNLOAD EXAMIANS APP
Chemistry Nucleus of an atom consists of. Electron, Proton and Neutron Proton Proton and Neutron Neutron Electron, Proton and Neutron Proton Proton and Neutron Neutron ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which among the following elements is found in maximum percentage in the human body ? Nitrozen Carbon Hydrogen Oxyzen Nitrozen Carbon Hydrogen Oxyzen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Chemically ‘Quick Silver is known as Aluminium Silver Copper Mercury Aluminium Silver Copper Mercury ANSWER DOWNLOAD EXAMIANS APP
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