Chemistry Which metal is extracted from sea water? Beryllium Potassium Aluminium Magnesium Beryllium Potassium Aluminium Magnesium ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is the most common salt in sea water ? Calcium carbonate Magnesium sulphate Sodium chloride Potassium chloride Calcium carbonate Magnesium sulphate Sodium chloride Potassium chloride ANSWER DOWNLOAD EXAMIANS APP
Chemistry The apparatus used to test acidity of aqueous solution is Hygrometer Ammeter PH meter Acidmeter Hygrometer Ammeter PH meter Acidmeter ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following methods is used in determining the number average molar mass of a macromolecule Light scattering Viscosity Sedimentation equilibrium Osmotic pressure Light scattering Viscosity Sedimentation equilibrium Osmotic pressure ANSWER DOWNLOAD EXAMIANS APP
Chemistry The maximum number of covalent formed by nitrogen is 1 3 2 4 1 3 2 4 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Methanoic and ethanoic acids can be distinguished by the action of Tollen's reagent NaHCO3 NaOH SOCl2 Tollen's reagent NaHCO3 NaOH SOCl2 ANSWER DOWNLOAD EXAMIANS APP
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