Chemistry Which of the following has pH value 7? Sodium Carbonate HCl H2SO4 Pure Water Sodium Carbonate HCl H2SO4 Pure Water ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following elements exhibits the greatest tendency to lose electrons ? Fluorine Oxygen Lithium Zinc Fluorine Oxygen Lithium Zinc ANSWER DOWNLOAD EXAMIANS APP
Chemistry Sodium vapour lamps glow with yellow colour. This is due to Its ability to absorb all other colours except yellow The low ionisation energy of sodium The emission of excess energy absorbed by sodium atoms, in the yellow region of the spectrum sublimation of sodium to emit yellow colour Its ability to absorb all other colours except yellow The low ionisation energy of sodium The emission of excess energy absorbed by sodium atoms, in the yellow region of the spectrum sublimation of sodium to emit yellow colour ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following has no unit Ionization energy Electron affinity Electronegativity Excitation potential Ionization energy Electron affinity Electronegativity Excitation potential ANSWER DOWNLOAD EXAMIANS APP
Chemistry The heat energy produced when the human body metabolises 1 gram of fat is 30 KJ 29 KJ 39 KJ 1 KJ 30 KJ 29 KJ 39 KJ 1 KJ ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ferrous sulphate is used in water treatment as a/an Reducing agent Adsorbent Oxidizing agent Coagulant aid Reducing agent Adsorbent Oxidizing agent Coagulant aid ANSWER DOWNLOAD EXAMIANS APP
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