Chemistry Which of the following is colourless ? Oxygen Sulphur Chlorine Phosphorus Oxygen Sulphur Chlorine Phosphorus 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 7.2 x 5x/36 x/6 5x 7.2 x 5x/36 x/6 5x ANSWER DOWNLOAD EXAMIANS APP
Chemistry When quick lime is added to water Heat is liberated No heat change takes place Temperature decreases Heat is absorbed Heat is liberated No heat change takes place Temperature decreases Heat is absorbed ANSWER DOWNLOAD EXAMIANS APP
Chemistry Nitrification is the biological process of converting N2 into nitrate Ammonia into N2 N2into nitrite Ammonia into nitrite N2 into nitrate Ammonia into N2 N2into nitrite Ammonia into nitrite ANSWER DOWNLOAD EXAMIANS APP
Chemistry Methanoic and ethanoic acids can be distinguished by the action of Tollen's reagent SOCl2 NaOH NaHCO3 Tollen's reagent SOCl2 NaOH NaHCO3 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The mass of P4O10 that will be obtained from the reaction of 1.33 gram of P4 and 5.07 of oxygen is 4.05 gram 5.05 gram 2.05 gram 3.05 gram 4.05 gram 5.05 gram 2.05 gram 3.05 gram ANSWER DOWNLOAD EXAMIANS APP