Chemistry Helium gas is filled in ballons because It is one of the constitutents of water It is a noble gas Its atomic number is 2 It is lighter than air It is one of the constitutents of water It is a noble gas Its atomic number is 2 It is lighter than air ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is used as preservative for foodstuff ? Sodium Chloride Picric acid Sodium Benzoate Glycerine Sodium Chloride Picric acid Sodium Benzoate Glycerine ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas that is used in the manufacture of vanaspati ghee is : Oxygen Nitrogen Carbon dioxide Hydrogen Oxygen Nitrogen Carbon dioxide Hydrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Epsom salt is used In making tooth paste In paper industry In softening water As purgative In making tooth paste In paper industry In softening water As purgative ANSWER DOWNLOAD EXAMIANS APP
Chemistry The water pollution in river is measured by the dissolved amount of Nitrogen Oxygen Ozone Chlorine Nitrogen Oxygen Ozone Chlorine ANSWER DOWNLOAD EXAMIANS APP
Chemistry The three elements most needed in common fertilisers are : Sulphur, Phosphorous and Sodium Nitrogen, Potassium and Phosphorous Calcium, Phosphorous and Potassium Phosphorous, Sodium and Nitrogen Sulphur, Phosphorous and Sodium Nitrogen, Potassium and Phosphorous Calcium, Phosphorous and Potassium Phosphorous, Sodium and Nitrogen ANSWER DOWNLOAD EXAMIANS APP