Chemistry Acid rain' is caused due to air - pollution by Methane Carbon dioxide Carbon monoxide Nitrous oxide and sulphur dioxide Methane Carbon dioxide Carbon monoxide Nitrous oxide and sulphur dioxide 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 Osmotic pressure Sedimentation equilibrium Light scattering Viscosity Osmotic pressure Sedimentation equilibrium ANSWER DOWNLOAD EXAMIANS APP
Chemistry The chemical that is used to ripen mangoes is Calcium sulphide Calcium carbide Calcium carbonate Calcium chloride Calcium sulphide Calcium carbide Calcium carbonate Calcium chloride ANSWER DOWNLOAD EXAMIANS APP
Chemistry The molecular mass of a gas is Half its vapour pressure Not related to its vapour pressure Twice its vapour pressure Equal to its vapour pressure Half its vapour pressure Not related to its vapour pressure Twice its vapour pressure Equal to its vapour pressure ANSWER DOWNLOAD EXAMIANS APP
Chemistry Brown stains in vessels and clothes indicate the presence of high quantities of ________ in water None of these Magnesium Calcium Manganese None of these Magnesium Calcium Manganese ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following acids is used in battery ? Hydrofluoric acid Hydrochloric acid Sulphurous acid Sulphuric acid Hydrofluoric acid Hydrochloric acid Sulphurous acid Sulphuric acid ANSWER DOWNLOAD EXAMIANS APP