Chemistry Which one of the following metals pollutes the air of a city having large number of automobiles? Lead Chromium Copper Cadmium Lead Chromium Copper Cadmium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of these acids is not organic in origin? Sulphuric acid Citric acid Lactic acid Oxalic acid Sulphuric acid Citric acid Lactic acid Oxalic acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Brine refers to : Salt water Pure water Sweet water Starch water Salt water Pure water Sweet water Starch water ANSWER DOWNLOAD EXAMIANS APP
Chemistry Synthetic detergents are prepared from Glycerides Potassium salts of higher fatty-acids Sodium salts of higher fattyacids Hydrocarbons of petroleum Glycerides Potassium salts of higher fatty-acids Sodium salts of higher fattyacids Hydrocarbons of petroleum ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following elements is least likely to be found in commercial fertilisers? Phosphorous Nitrogen Silicon Potassium Phosphorous Nitrogen Silicon Potassium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Cinnabar is an ore/mineral of Manganese Mercury Molybdenum Lead Manganese Mercury Molybdenum Lead ANSWER DOWNLOAD EXAMIANS APP