Chemistry Helium is added to the oxygen supply of deep sea divers because it is Less poisonous than nitrogen Lighter than nitrogen Readily miscible with oxygen Less soluble in blood than nitrogen at high pressure Less poisonous than nitrogen Lighter than nitrogen Readily miscible with oxygen Less soluble in blood than nitrogen at high pressure ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which halide is used in making sensitive emulsion on photograhic film? Silver iodide Sodium chloride Silver bromide Silver chloride Silver iodide Sodium chloride Silver bromide Silver chloride ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which colour is produce by Arsenic during flame test Green Red Blue Crimson Green Red Blue Crimson ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is most acidic CaO MgO Al22O3 Na2O CaO MgO Al22O3 Na2O ANSWER DOWNLOAD EXAMIANS APP
Chemistry The total energy of revolving electron in an atom Cannot be negative Will always be positive Can never be positive Can have any value above zero Cannot be negative Will always be positive Can never be positive Can have any value above zero ANSWER DOWNLOAD EXAMIANS APP
Chemistry Spirit in contact with body gives cool sensation because it is : Liquid Transparent A good conductor Highly volatile Liquid Transparent A good conductor Highly volatile ANSWER DOWNLOAD EXAMIANS APP