Chemistry Photo-oxidation process is initiated by Heat Catalyst Oxygen Light Heat Catalyst Oxygen Light ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is not a gaseous air pollutant? Oxides of nitrogen Smoke Hydrocarbon Oxides of sulphur Oxides of nitrogen Smoke Hydrocarbon Oxides of sulphur ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ozone saves the biosphere by absorbing high energy radiations called ________ . Ultraviolet rays (UV) Infra-red (IR) Gamma rays X–rays Ultraviolet rays (UV) Infra-red (IR) Gamma rays X–rays ANSWER DOWNLOAD EXAMIANS APP
Chemistry PH scale ranges from 8 – 14 0 – 14 0 – 7 None 8 – 14 0 – 14 0 – 7 None ANSWER DOWNLOAD EXAMIANS APP
Chemistry In addition to hydrogen, the other abundant element present on Sun’s surface is Helium Argon Oxygen Neon Helium Argon Oxygen Neon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Aqueous solution of which of the following is a good conductor of electricity Ammonium acetate Glucose Ammonia Acetic acid Ammonium acetate Glucose Ammonia Acetic acid ANSWER DOWNLOAD EXAMIANS APP