Chemistry Methanoic and ethanoic acids can be distinguished by the action of NaHCO3 SOCl2 NaOH Tollen's reagent NaHCO3 SOCl2 NaOH Tollen's reagent ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ozone saves the biosphere by absorbing high energy radiations called ________ . Gamma rays X–rays Ultraviolet rays (UV) Infra-red (IR) Gamma rays X–rays Ultraviolet rays (UV) Infra-red (IR) ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following in automobile exhaust can cause cancer? Carbon monoxide Oxides of nitrogen Polyclinic hydrocarbons Lead Carbon monoxide Oxides of nitrogen Polyclinic hydrocarbons Lead ANSWER DOWNLOAD EXAMIANS APP
Chemistry Element 106 was discovered by Rutherford Kurchatove Lawrence Seaborg Rutherford Kurchatove Lawrence Seaborg ANSWER DOWNLOAD EXAMIANS APP
Chemistry When water itself combines chemically with some element or mineral it is called Carbonation Oxidation Desilication Hydration Carbonation Oxidation Desilication Hydration ANSWER DOWNLOAD EXAMIANS APP
Chemistry The smog is essentially caused by the presence of Oxides of N and S O3 and N2 O2 and N2 O2 and O3 Oxides of N and S O3 and N2 O2 and N2 O2 and O3 ANSWER DOWNLOAD EXAMIANS APP