Chemistry Which of the following methods is used in determining the number average molar mass of a macromolecule Light scattering Viscosity Osmotic pressure Sedimentation equilibrium Light scattering Viscosity Osmotic pressure Sedimentation equilibrium ANSWER DOWNLOAD EXAMIANS APP
Chemistry The method that cannot be used for removing permanent hardness of water is adding sodium carbonate adding caustic soda distillation boiling adding sodium carbonate adding caustic soda distillation boiling ANSWER DOWNLOAD EXAMIANS APP
Chemistry Bleaching powder is used in drinking water as a/an Coagulant Disinfectant Antibiotic Antiseptic Coagulant Disinfectant Antibiotic Antiseptic ANSWER DOWNLOAD EXAMIANS APP
Chemistry One of the following is used to dissolve noble metals. That is Hydrochloric acid Aqua ragia Nitric acid Sulphuric acid Hydrochloric acid Aqua ragia Nitric acid Sulphuric acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry When a spoon is to be electroplated with nickel the spoon is Made cathode and a pure nickel red, the anode Coated with nickel sulphate and dried Dipped in a nickel sulphate solution Made anode and a pure nickel rod, the cathode Made cathode and a pure nickel red, the anode Coated with nickel sulphate and dried Dipped in a nickel sulphate solution Made anode and a pure nickel rod, the cathode ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ozone saves the biosphere by absorbing high energy radiations called ________ . Ultraviolet rays (UV) Gamma rays X–rays Infra-red (IR) Ultraviolet rays (UV) Gamma rays X–rays Infra-red (IR) ANSWER DOWNLOAD EXAMIANS APP