Chemistry Laughing gas is Nitrogen pentoxide Nitric oxide Nitrous oxide Nitrogen trioxide Nitrogen pentoxide Nitric oxide Nitrous oxide Nitrogen trioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The number of waves made by an electron moving in an orbit having maximum magnetic quantum number is +3 5 2 4 zero 5 2 4 zero ANSWER DOWNLOAD EXAMIANS APP
Chemistry The main buffer system of the human blood is CH3COOH - CH3COO- H2CO3 - CO32- NH2CONH2 - NH2CONH+ H2CO3 - HCO3 CH3COOH - CH3COO- H2CO3 - CO32- NH2CONH2 - NH2CONH+ H2CO3 - HCO3 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Detergents are Sodium salts of fatty acids Sodium salt of benzoic acid None of these Sodium salts of sulphonic acids Sodium salts of fatty acids Sodium salt of benzoic acid None of these Sodium salts of sulphonic acids ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is used to restore the colour of old oilpaintings ? Hydrogen peroxide Barium peroxide Sodium peroxide Ozone Hydrogen peroxide Barium peroxide Sodium peroxide Ozone ANSWER DOWNLOAD EXAMIANS APP
Chemistry Rectified spirit is : Methylated spirit 95% ethyl alcohol Tincture iodine 100% ethyl alcohol Methylated spirit 95% ethyl alcohol Tincture iodine 100% ethyl alcohol ANSWER DOWNLOAD EXAMIANS APP