Chemistry An element of atomic no. 29 belongs to P-block D-block F-block S-block P-block D-block F-block S-block ANSWER DOWNLOAD EXAMIANS APP
Chemistry Sodium vapour lamps glow with yellow colour. This is due to The low ionisation energy of sodium sublimation of sodium to emit yellow colour Its ability to absorb all other colours except yellow The emission of excess energy absorbed by sodium atoms, in the yellow region of the spectrum The low ionisation energy of sodium sublimation of sodium to emit yellow colour Its ability to absorb all other colours except yellow The emission of excess energy absorbed by sodium atoms, in the yellow region of the spectrum ANSWER DOWNLOAD EXAMIANS APP
Chemistry The electronic configuration of an atom having atomic number ‘20’ is 2, 6, 8, 4 2, 10, 8 2, 8, 8, 2 2, 8, 10 2, 6, 8, 4 2, 10, 8 2, 8, 8, 2 2, 8, 10 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The major use of sulphur is in the manufacture of SO2 H2S H2SO4 Fungicide SO2 H2S H2SO4 Fungicide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The main use of salt in the diet is to increase the solubility of food particles in water produce in small amounts the hydrochloric acid required for the digestion of food ease the process of cooking make the taste of food better increase the solubility of food particles in water produce in small amounts the hydrochloric acid required for the digestion of food ease the process of cooking make the taste of food better ANSWER DOWNLOAD EXAMIANS APP
Chemistry ________ is used for making vinegar. Tartaric acid Oxalic acid Malic acid Acetic acid Tartaric acid Oxalic acid Malic acid Acetic acid ANSWER DOWNLOAD EXAMIANS APP