Chemistry Helium is added to the oxygen supply of deep sea divers because it is 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 Less poisonous than nitrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Methanoic and ethanoic acids can be distinguished by the action of Tollen's reagent SOCl2 NaHCO3 NaOH Tollen's reagent SOCl2 NaHCO3 NaOH ANSWER DOWNLOAD EXAMIANS APP
Chemistry Among the following iron ores, the highest percentage of iron content is found in– Haemetite Limnonite Magnetite None of these Haemetite Limnonite Magnetite None of these ANSWER DOWNLOAD EXAMIANS APP
Chemistry CNG used in automobiles to check pollution, mainly consists of CH4 H2 CO2 N2 CH4 H2 CO2 N2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which type of fire extinguisher is used for petroleum fire ? Soda acid type None of these Powder type Foam type Soda acid type None of these Powder type Foam type ANSWER DOWNLOAD EXAMIANS APP
Chemistry The ore of Aluminium is Bauxite Hematite Fluorspar Chalco pyrites Bauxite Hematite Fluorspar Chalco pyrites ANSWER DOWNLOAD EXAMIANS APP
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