Chemistry Ruby and sapphire are oxides of Iron Tin Copper Aluminium Iron Tin Copper Aluminium ANSWER DOWNLOAD EXAMIANS APP
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 An oxidising agent is a An electron donor In a chemical reaction its oxidation number increases It releases H2 in a chemical reaction An electron acceptor An electron donor In a chemical reaction its oxidation number increases It releases H2 in a chemical reaction An electron acceptor ANSWER DOWNLOAD EXAMIANS APP
Chemistry Highly toxic gas which causes headache, visual difficulty, paralysis and even death is O3 All of these CO2 CO O3 All of these CO2 CO ANSWER DOWNLOAD EXAMIANS APP
Chemistry In its reaction with silver nitrate, C2H2 shows Oxidising property Basic property Acidic property Reducing property Oxidising property Basic property Acidic property Reducing property ANSWER DOWNLOAD EXAMIANS APP
Chemistry The number of moles of solute present in 1 kg of a solvent is called its molarity molality formality normality molarity molality formality normality ANSWER DOWNLOAD EXAMIANS APP
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