Chemistry The value of Avogadro Number is 6.023 × 1025 6.023 × 1022 6.023 × 1023 6.023 × 1024 6.023 × 1025 6.023 × 1022 6.023 × 1023 6.023 × 1024 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Oxygen which is vital for life is a product of photosynthesis and comes from Water Carbonates from soil Oxides of mineral elements Carbon dioxide Water Carbonates from soil Oxides of mineral elements Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is used as anesthetic ? NH3 NO NO2 N2O NH3 NO NO2 N2O ANSWER DOWNLOAD EXAMIANS APP
Chemistry The anode of a dry cell is made up of Lead Iron Zinc Cadmium Lead Iron Zinc Cadmium ANSWER DOWNLOAD EXAMIANS APP
Chemistry The ionisation energy of hydrogen atom in the ground state is x KJ. The energy required for an electron to jump from 2nd orbit to 3rd orbit is 5x 7.2 x 5x/36 x/6 5x 7.2 x 5x/36 x/6 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The half life period of an isotope is 2 hours. After 6 hours what fraction of the initial quantity of the isotope will be left behind? 1/4 1/8 1/3 1/6 1/4 1/8 1/3 1/6 ANSWER DOWNLOAD EXAMIANS APP