Chemistry An important green-house gas other than methane being produced from the agricultural fields is Nitrous oxide Arsine Ammonia Sulphur dioxide Nitrous oxide Arsine Ammonia Sulphur dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following compounds is commonly used as an antiseptic in mouthwashes and toothpastes ? Saltpetre Sodium chloride Borax Hydrogen peroxide Saltpetre Sodium chloride Borax Hydrogen peroxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is caused by the higher concentration of Nitrogen and Phosphorous ? Hardness Eutrophication Alkalinity Acidity Hardness Eutrophication Alkalinity Acidity ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following metals does not react with water to produce Hydrogen ? Cadmium Lithium Sodium Potassium Cadmium Lithium Sodium Potassium ANSWER DOWNLOAD EXAMIANS APP
Chemistry The natural source of hydro-carbon is Biomass Carbohydrates Crude oil Coal Biomass Carbohydrates Crude oil Coal ANSWER DOWNLOAD EXAMIANS APP
Chemistry Forth floatation process to concentrate the minerals is applicable to Chalcopyrites Calamine Haematite Bauxite Chalcopyrites Calamine Haematite Bauxite ANSWER DOWNLOAD EXAMIANS APP