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 sublimation of sodium to emit yellow colour The emission of excess energy absorbed by sodium atoms, in the yellow region of the spectrum Its ability to absorb all other colours except yellow The low ionisation energy of sodium sublimation of sodium to emit yellow colour The emission of excess energy absorbed by sodium atoms, in the yellow region of the spectrum ANSWER DOWNLOAD EXAMIANS APP
Chemistry In which of the following states maximum iron ore is found ? FeCO3 Fe2O3 Fe3O4 FeS2 FeCO3 Fe2O3 Fe3O4 FeS2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The metal used for making aircrafts and rockets is Aluminium Lead Nickel Copper Aluminium Lead Nickel Copper ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most suitable vessel for storing concentrated sulphuric acid is Copper vessel Earthen vessel Aluminium vessel Glass vessel Copper vessel Earthen vessel Aluminium vessel Glass vessel ANSWER DOWNLOAD EXAMIANS APP
Chemistry The function of sedimentation tank in sewage treatment is to: Aerate the sewage Disinfect the sewage Remove water content Remove suspended solids Aerate the sewage Disinfect the sewage Remove water content Remove suspended solids ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following metals is used in Space Crafts to withstand high temperatures ? Ti Fe Pb Ni Ti Fe Pb Ni ANSWER DOWNLOAD EXAMIANS APP
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