Chemistry Which one of the following elements is used in the manufacture of safety matches? Phosphorus Graphite Sodium Silicon Phosphorus Graphite Sodium Silicon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following contains high content of lead? Low octane fuel High octane fuel Cooking gas Coal Low octane fuel High octane fuel Cooking gas Coal ANSWER DOWNLOAD EXAMIANS APP
Chemistry Inert gases are Chemically unreactive Not stable Miscible with water Chemically very active Chemically unreactive Not stable Miscible with water Chemically very active ANSWER DOWNLOAD EXAMIANS APP
Chemistry Nitrogen is an essential constituent of all : Proteins Carbohydrates Fats Vitamins Proteins Carbohydrates Fats Vitamins ANSWER DOWNLOAD EXAMIANS APP
Chemistry The acid which fails to liberate carbon dioxide from sodium bicarbonate is : Carbonic acid Sulphuric acid Acetic acid Formic acid Carbonic acid Sulphuric acid Acetic acid Formic acid ANSWER DOWNLOAD EXAMIANS APP