Chemistry Galena is a mineral of Lead Calcium Iron Gold Lead Calcium Iron Gold ANSWER DOWNLOAD EXAMIANS APP
Chemistry Sodium vapour lamps glow with yellow colour. This is due to 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 sublimation of sodium to emit yellow colour The low ionisation energy of sodium Its ability to absorb all other colours except yellow ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ruby and sapphire are oxides of Iron Tin Aluminium Copper Iron Tin Aluminium Copper ANSWER DOWNLOAD EXAMIANS APP
Chemistry By which organic compound all the oils are known ? Protein Hydrocarbon Ester Carbohydrate Protein Hydrocarbon Ester Carbohydrate ANSWER DOWNLOAD EXAMIANS APP
Chemistry KMnO4 can be used as Fertilizer Insecticide Pesticide Disinfectant Fertilizer Insecticide Pesticide Disinfectant ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS