Chemistry Which of the following compounds is commonly used as an antiseptic in mouthwashes and toothpastes ? Sodium chloride Saltpetre Hydrogen peroxide Borax Sodium chloride Saltpetre Hydrogen peroxide Borax ANSWER DOWNLOAD EXAMIANS APP
Chemistry Philosopher’s Wool is Zinc blende Zinc oxide Zinc sulphate Zinc carbonate Zinc blende Zinc oxide Zinc sulphate Zinc carbonate ANSWER DOWNLOAD EXAMIANS APP
Chemistry Browning of paper in old books is caused by Frequent use Lack of aeration Oxidation of cellulose Collection of dust Frequent use Lack of aeration Oxidation of cellulose Collection of dust ANSWER DOWNLOAD EXAMIANS APP
Chemistry Nitrogen is an essential constituent of all : Fats Vitamins Carbohydrates Proteins Fats Vitamins Carbohydrates Proteins ANSWER DOWNLOAD EXAMIANS APP
Chemistry Organic compounds are Co-ordination compounds Ionic compounds Interstitial compounds Covalent compounds Co-ordination compounds Ionic compounds Interstitial compounds Covalent compounds ANSWER DOWNLOAD EXAMIANS APP
Chemistry The non-metal found in the liquid state is Bromine Nitrogen Chlorine Fluorine Bromine Nitrogen Chlorine Fluorine ANSWER DOWNLOAD EXAMIANS APP