Chemistry Biofertilizers convert nitrogen to ________ . Ammonia Nitrogenase Amino acids Nitrates Ammonia Nitrogenase Amino acids Nitrates ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ozone saves the biosphere by absorbing high energy radiations called ________ . X–rays Gamma rays Ultraviolet rays (UV) Infra-red (IR) X–rays Gamma rays Ultraviolet rays (UV) Infra-red (IR) ANSWER DOWNLOAD EXAMIANS APP
Chemistry Number of neutrons in an atom of hydrogen is Three Zero Two One Three Zero Two One ANSWER DOWNLOAD EXAMIANS APP
Chemistry The National Chemical Laboratory is situated in Pune Patna Bangalore New Delhi Pune Patna Bangalore New Delhi ANSWER DOWNLOAD EXAMIANS APP
Chemistry A metal is exposed to the atmosphere for sometime. It becomes coated with green carbonate. The metal must be Aluminium Copper Silver Zinc Aluminium Copper Silver Zinc ANSWER DOWNLOAD EXAMIANS APP
Chemistry Thermal electricity is generated by using which of these ? Coal and Natural Gas only None of these Coal only Coal, Natural Gas and Petroleum Coal and Natural Gas only None of these Coal only Coal, Natural Gas and Petroleum ANSWER DOWNLOAD EXAMIANS APP