Chemistry Helium is added to the oxygen supply of deep sea divers because it is Less poisonous than nitrogen Less soluble in blood than nitrogen at high pressure Lighter than nitrogen Readily miscible with oxygen Less poisonous than nitrogen Less soluble in blood than nitrogen at high pressure Lighter than nitrogen Readily miscible with oxygen ANSWER DOWNLOAD EXAMIANS APP
Chemistry The purest form of water is Rain water Ground water Tap water Distilled water Rain water Ground water Tap water Distilled water ANSWER DOWNLOAD EXAMIANS APP
Chemistry Stains of rust on clothes can be removed by : Petrol Oxalic acid Alcohol H2O2 Petrol Oxalic acid Alcohol H2O2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry ________ is a by product of sewage treatment and can be decomposed to produce biogas Sewage Sewer Sludge Scum Sewage Sewer Sludge Scum ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is commonly used for pulp bleaching in the paper industry? Mild sulphuric acid Glucose isomerase Iodine and water Hydrogen peroxide Mild sulphuric acid Glucose isomerase Iodine and water Hydrogen peroxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is a renewable source of energy ? Natural gas Uranium Geothermal powder Coal Natural gas Uranium Geothermal powder Coal ANSWER DOWNLOAD EXAMIANS APP
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