Chemistry Which metal is extracted from sea water? Magnesium Beryllium Potassium Aluminium Magnesium Beryllium Potassium Aluminium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which amidst the following is not a gem stone ? Pearl Opal Topaz Cat's-eye Pearl Opal Topaz Cat's-eye ANSWER DOWNLOAD EXAMIANS APP
Chemistry When a lead storage battery is discharged, Lead is formed SO2 is evolved Lead sulphate is consumed Sulphuric acid is consumed Lead is formed SO2 is evolved Lead sulphate is consumed Sulphuric acid is consumed ANSWER DOWNLOAD EXAMIANS APP
Chemistry Oxide of sulphur present in the atmosphere are washed down by rains to cause : Eutrophication in lakes Lowering of pH of soil Depletion of fossil fuel reserves Industrial smog formation Eutrophication in lakes Lowering of pH of soil Depletion of fossil fuel reserves Industrial smog formation ANSWER DOWNLOAD EXAMIANS APP
Chemistry What particles move around the nucleus of an atom and are negatively charged? Positrons Protons Neutrons Electrons Positrons Protons Neutrons Electrons ANSWER DOWNLOAD EXAMIANS APP
Chemistry The cathode of a lead storage battery is made up of Manganese dioxide Lead oxide Zinc Lead Manganese dioxide Lead oxide Zinc Lead ANSWER DOWNLOAD EXAMIANS APP