Chemistry Which of the following elements is found in all organic compounds Calcium Oxygen Nitrogen Carbon Calcium Oxygen Nitrogen Carbon ANSWER DOWNLOAD EXAMIANS APP
Chemistry ________ is used for making vinegar. Tartaric acid Oxalic acid Acetic acid Malic acid Tartaric acid Oxalic acid Acetic acid Malic acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Forth floatation process to concentrate the minerals is applicable to Bauxite Haematite Calamine Chalcopyrites Bauxite Haematite Calamine Chalcopyrites ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following compounds is commonly used as an antiseptic in mouthwashes and toothpastes ? Hydrogen peroxide Borax Sodium chloride Saltpetre Hydrogen peroxide Borax Sodium chloride Saltpetre ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is a major green house gas? Carbon monoxide Freon Carbon dioxide Chloro fluorocarbon Carbon monoxide Freon Carbon dioxide Chloro fluorocarbon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Two elements which can form a large number of compounds are Carbon and Nitrogen Carbon and Oxygen Carbon and Sulphur Carbon and Hydrogen Carbon and Nitrogen Carbon and Oxygen Carbon and Sulphur Carbon and Hydrogen ANSWER DOWNLOAD EXAMIANS APP