Chemistry Which one of the following minerals is found in Monazite sand ? Potassium Uranium Thorium Sodium Potassium Uranium Thorium Sodium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Helium is added to the oxygen supply of deep sea divers because it is Lighter than nitrogen Less poisonous than nitrogen Less soluble in blood than nitrogen at high pressure Readily miscible with oxygen Lighter than nitrogen Less poisonous than nitrogen Less soluble in blood than nitrogen at high pressure Readily miscible with oxygen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Atoms having the same number of protons but different number of neutrons are called : Cations Anions Isotopes Higgs-boson Cations Anions Isotopes Higgs-boson ANSWER DOWNLOAD EXAMIANS APP
Chemistry The common name for the compound having formal NaOH is Soda ash Caustic soda Caustic potash Sodium hydroxide Soda ash Caustic soda Caustic potash Sodium hydroxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Threshold limit value of copper in the atmospheric air is 0.001 mg/m3 1.0 mg/m3 5.0 mg/m3 0.01 mg/m3 0.001 mg/m3 1.0 mg/m3 5.0 mg/m3 0.01 mg/m3 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The metal that is usually extracted from sea water is Mg K Na Ca Mg K Na Ca ANSWER DOWNLOAD EXAMIANS APP