Chemistry 0.01 mole of NaOH is added to 10 liters of water. The pH of water changes by 4 6 7 3 4 6 7 3 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ozone saves the biosphere by absorbing high energy radiations called ________ . Ultraviolet rays (UV) Gamma rays Infra-red (IR) X–rays Ultraviolet rays (UV) Gamma rays Infra-red (IR) X–rays ANSWER DOWNLOAD EXAMIANS APP
Chemistry Commonly used antiseptic 'Dettol' is a mixture of Chloroxylenol + terepineol O-cresol + terepineol Phenol + terepineol O-chlorophenoxylenol + terepineol Chloroxylenol + terepineol O-cresol + terepineol Phenol + terepineol O-chlorophenoxylenol + terepineol ANSWER DOWNLOAD EXAMIANS APP
Chemistry The reaction intermediate formed during the preparation of diethylether from ethanol by treatment with H2SO4 is Carbocation Carbanion Free radical Carbene Carbocation Carbanion Free radical Carbene ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following metals is used in Space Crafts to withstand high temperatures ? Pb Fe Ni Ti Pb Fe Ni Ti ANSWER DOWNLOAD EXAMIANS APP
Chemistry The acid used in lead storage cells is Hydrochloric acid Phosphoric acid Nitric acid Sulphuric acid Hydrochloric acid Phosphoric acid Nitric acid Sulphuric acid ANSWER DOWNLOAD EXAMIANS APP