Chemistry Sodium vapour lamps glow with yellow colour. This is due to sublimation of sodium to emit yellow colour The low ionisation energy of sodium 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 sublimation of sodium to emit yellow colour The low ionisation energy of sodium 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 Soap is prepared by boiling caustic soda with Alcohol Glycerine Fats Kerosene oil Alcohol Glycerine Fats Kerosene oil ANSWER DOWNLOAD EXAMIANS APP
Chemistry Philosopher’s Wool is Zinc oxide Zinc carbonate Zinc sulphate Zinc blende Zinc oxide Zinc carbonate Zinc sulphate Zinc blende ANSWER DOWNLOAD EXAMIANS APP
Chemistry Philosopher’s wool is chemically Magnesium oxide Calcium oxide Zinc oxide Aluminium oxide Magnesium oxide Calcium oxide Zinc oxide Aluminium oxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The unit of ionic product of water (Kw) is : Mol-1 let-1 Mol2 let-2 Mol-1 let-2 Mol2 let-1 Mol-1 let-1 Mol2 let-2 Mol-1 let-2 Mol2 let-1 ANSWER DOWNLOAD EXAMIANS APP