Chemistry Concentration of a material which is lethal to 50% animal is called LD50 LC50 ADI NOAEL LD50 LC50 ADI NOAEL ANSWER DOWNLOAD EXAMIANS APP
Chemistry Name two elements that find wide application in transistor industry Tungsten and Platinum Carbon and Platinum Iridium and Germanium Silicon and Germanium Tungsten and Platinum Carbon and Platinum Iridium and Germanium Silicon and Germanium ANSWER DOWNLOAD EXAMIANS APP
Chemistry The value of gas constant R in Ergs deg–1 mole–1 is 8.314 × 107 8.413 × 107 4.183 × 107 8.341 × 107 8.314 × 107 8.413 × 107 4.183 × 107 8.341 × 107 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The acid which fails to liberate carbon dioxide from sodium bicarbonate is : Carbonic acid Acetic acid Formic acid Sulphuric acid Carbonic acid Acetic acid Formic acid Sulphuric acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry The mass number of an atom is equal to the number of protons and electrons the number of protons the number of neutrons the number of nucleons the number of protons and electrons the number of protons the number of neutrons the number of nucleons ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one element from below list is liquid at room temperature Zinc Bromine Lead Argon Zinc Bromine Lead Argon ANSWER DOWNLOAD EXAMIANS APP