Chemistry Concentration of a material which is lethal to 50% animal is called LD50 ADI LC50 NOAEL LD50 ADI LC50 NOAEL ANSWER DOWNLOAD EXAMIANS APP
Chemistry Now-a-days yellow lamps are frequently used as street lights. Which of the following gases is used in these lamps ? Nitrogen Hydrogen Neon Sodium Nitrogen Hydrogen Neon Sodium ANSWER DOWNLOAD EXAMIANS APP
Chemistry In which of the following states maximum iron ore is found ? Fe2O3 FeS2 Fe3O4 FeCO3 Fe2O3 FeS2 Fe3O4 FeCO3 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Number of6.023 × 1020 atoms present in one mole of a gas at STP is 6.023 × 1023 '6.023 × 10–20 6.023 × 1020 '6.023 × 10–23 6.023 × 1023 '6.023 × 10–20 6.023 × 1020 '6.023 × 10–23 ANSWER DOWNLOAD EXAMIANS APP
Chemistry How many neutrons are there in 92U238 atom ? 146 330 238 92 146 330 238 92 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most suitable unit for expressing nuclear radius is : Angstrom Fermi Nanometre Micron Angstrom Fermi Nanometre Micron ANSWER DOWNLOAD EXAMIANS APP
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