Chemistry The metal used to recover copper from a solution of copper sulphate is Ag Fe Hg Na Ag Fe Hg Na ANSWER DOWNLOAD EXAMIANS APP
Chemistry The chemical that is used to ripen mangoes is Calcium carbonate Calcium sulphide Calcium carbide Calcium chloride Calcium carbonate Calcium sulphide Calcium carbide Calcium chloride ANSWER DOWNLOAD EXAMIANS APP
Chemistry Metal are good conductors, because The molecules in them are very close to each other They contain reflecting surface They contain free electrons The molecules in them collide very freely The molecules in them are very close to each other They contain reflecting surface They contain free electrons The molecules in them collide very freely ANSWER DOWNLOAD EXAMIANS APP
Chemistry In a Carbonyl group a carbon atom makes double bond with Oxygen None of these Carbon Hydrogen Oxygen None of these Carbon Hydrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following methods is used in determining the number average molar mass of a macromolecule Osmotic pressure Sedimentation equilibrium Viscosity Light scattering Osmotic pressure Sedimentation equilibrium Viscosity Light scattering ANSWER DOWNLOAD EXAMIANS APP
Chemistry Commercially, sodium bicarbonate is known as Soda ash Washing soda Baking soda Bleaching powder Soda ash Washing soda Baking soda Bleaching powder ANSWER DOWNLOAD EXAMIANS APP