Chemistry Which one of the following minerals is found in Monazite sand ? Potassium Sodium Thorium Uranium Potassium Sodium Thorium Uranium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following was used as a chemical weapon in the first world war ? Water gas Carbon monoxide Hydrogen cyanide Mustard gas Water gas Carbon monoxide Hydrogen cyanide Mustard gas ANSWER DOWNLOAD EXAMIANS APP
Chemistry Aqua regia is a 1 : 3 mixture, by volume, of Conc. hydrochloric acid and conc. nitric acid Conc. nitric acid and conc. sulphuric acid Conc. nitric acid and conc. hydrochloric acid Conc. sulphuric acid and conc. nitric acid Conc. hydrochloric acid and conc. nitric acid Conc. nitric acid and conc. sulphuric acid Conc. nitric acid and conc. hydrochloric acid Conc. sulphuric acid and conc. nitric acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following methods is used in determining the number average molar mass of a macromolecule Viscosity Sedimentation equilibrium Light scattering Osmotic pressure Viscosity Sedimentation equilibrium Light scattering Osmotic pressure ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which is the purest commercial form of iron ? Wrought iron Steel Pig iron Stainless steel Wrought iron Steel Pig iron Stainless steel ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most common cause of pollution of air is Carbon monoxide Carbon dioxide Smoke Sulphur dioxide Carbon monoxide Carbon dioxide Smoke Sulphur dioxide ANSWER DOWNLOAD EXAMIANS APP
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