Chemistry The purest form of water is Rain water Distilled water Ground water Tap water Rain water Distilled water Ground water Tap water ANSWER DOWNLOAD EXAMIANS APP
Chemistry The chemical name of 'Hypo' commonly used in photography is Sodium thiosulphate Sodium nitrate Silver iodide Silver nitrate Sodium thiosulphate Sodium nitrate Silver iodide Silver nitrate ANSWER DOWNLOAD EXAMIANS APP
Chemistry The chief source of naphthalene is Charcoal Camphor Coal-tar Diesel Charcoal Camphor Coal-tar Diesel ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is usually not an air-pollutant? Hydrocarbons Carbon dioxide Nitrous oxide Sulphur dioxide Hydrocarbons Carbon dioxide Nitrous oxide Sulphur dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The highest volume of gases in lower atmosphere is comprised of Hydrogen Oxygen Carbon dioxide Nitrogen Hydrogen Oxygen Carbon dioxide Nitrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry The tip of the match-stick contains White phosphorus Phosphorus pentoxide Phosphorus trichloride Red phosphorus White phosphorus Phosphorus pentoxide Phosphorus trichloride Red phosphorus ANSWER DOWNLOAD EXAMIANS APP
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