Chemistry Which of the following is the main nitrogenous waste in humans ? Uric Acid Urea Ammonium Nitrate Ammonia Uric Acid Urea Ammonium Nitrate Ammonia ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most common cause of pollution of air is Carbon dioxide Carbon monoxide Smoke Sulphur dioxide Carbon dioxide Carbon monoxide Smoke Sulphur dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The element which is used for vulcanizing rubber Sulphur Silicon Bromine Phosphorus Sulphur Silicon Bromine Phosphorus ANSWER DOWNLOAD EXAMIANS APP
Chemistry The amount of chlorine available in water after disinfection is called as Free available chlorine Free chlorine Combined available chlorine Residual chlorine Free available chlorine Free chlorine Combined available chlorine Residual chlorine 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 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 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Chile saltpeter is the common name of: Sodium nitrite Sodium nitrate Potassium nitrate Potassium nitrite Sodium nitrite Sodium nitrate Potassium nitrate Potassium nitrite ANSWER DOWNLOAD EXAMIANS APP
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