Chemistry Silver nitrate solution is kept in brown bottles in laboratory because Brown bottles do not react with it Brown bottles stops the passage of light through it Brown bottles react with it It reacts with ordinary white bottles Brown bottles do not react with it Brown bottles stops the passage of light through it Brown bottles react with it It reacts with ordinary white bottles ANSWER DOWNLOAD EXAMIANS APP
Chemistry The Refrigerant 'FREON' is Fluorspar and Felspar Calcium Tetra Fluoride Hydrofluosilicic Acid Difluoro Dichloro Methane Fluorspar and Felspar Calcium Tetra Fluoride Hydrofluosilicic Acid Difluoro Dichloro Methane ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas used for filling weather balloons is Helium Hydrogen Nitrogen Air Helium Hydrogen Nitrogen Air ANSWER DOWNLOAD EXAMIANS APP
Chemistry Nitrogen is an essential constituent of all : Carbohydrates Fats Vitamins Proteins Carbohydrates Fats Vitamins Proteins ANSWER DOWNLOAD EXAMIANS APP
Chemistry Conversion of chemical energy into electrical energy occurs in Dynamo Atomic bombs A battery Electric heaters Dynamo Atomic bombs A battery Electric heaters ANSWER DOWNLOAD EXAMIANS APP
Chemistry The important metal used with iron to produce stainless steel is Carbon Aluminium Tin Chromium Carbon Aluminium Tin Chromium ANSWER DOWNLOAD EXAMIANS APP