Chemistry Ozone saves the biosphere by absorbing high energy radiations called ________ . Infra-red (IR) Ultraviolet rays (UV) X–rays Gamma rays Infra-red (IR) Ultraviolet rays (UV) X–rays Gamma rays ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one is the simplest form of alkane Butane Methane Propane Decane Butane Methane Propane Decane ANSWER DOWNLOAD EXAMIANS APP
Chemistry Muscle fatigue is caused by the accumulation of : Oxalacetic acid Uric acid Pyruvic acid Lactic acid Oxalacetic acid Uric acid Pyruvic acid Lactic acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is most electronegative Silicon Lead Tin Carbon Silicon Lead Tin Carbon ANSWER DOWNLOAD EXAMIANS APP
Chemistry The percentage of nitrogen present in ammonium sulphate is : 0.25 0.27 0.18 0.305 0.25 0.27 0.18 0.305 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which gas is most stable at room temperature O2 F2 N2 H2 O2 F2 N2 H2 ANSWER DOWNLOAD EXAMIANS APP