Chemistry Helium is added to the oxygen supply of deep sea divers because it is Lighter than nitrogen Less poisonous than nitrogen Readily miscible with oxygen Less soluble in blood than nitrogen at high pressure Lighter than nitrogen Less poisonous than nitrogen Readily miscible with oxygen Less soluble in blood than nitrogen at high pressure ANSWER DOWNLOAD EXAMIANS APP
Chemistry The weight of 6.023 × 1022 atoms of carbon is 0.12 gms 120 gms 1.2 gms 12 gms 0.12 gms 120 gms 1.2 gms 12 gms ANSWER DOWNLOAD EXAMIANS APP
Chemistry The natural resource, known as black gold is Coal Platinum Tin Lead Coal Platinum Tin Lead ANSWER DOWNLOAD EXAMIANS APP
Chemistry Brass gets discoloured in air due to constant exposure in presence of: Hydrogen sulphide Hydrogenated wafers Aluminium phosphide Aluminium sulphide Hydrogen sulphide Hydrogenated wafers Aluminium phosphide Aluminium sulphide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most reactive among the halogens is Bromine Iodine Fluorine Chlorine Bromine Iodine Fluorine Chlorine ANSWER DOWNLOAD EXAMIANS APP
Chemistry Substance used as an anti freeze in radiators of automobiles is : Ethyl alcohol Ethyl alcohol and H2O Methyl alcohol and H2O Methyl alcohol Ethyl alcohol Ethyl alcohol and H2O Methyl alcohol and H2O Methyl alcohol ANSWER DOWNLOAD EXAMIANS APP
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