Chemistry The biogas used for cooking is a mixture of which of the following? Isobutane and propane Carbon dioxide and oxygen Methane and carbon dioxide Methane and carbon monoxide Isobutane and propane Carbon dioxide and oxygen Methane and carbon dioxide Methane and carbon monoxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ruby and sapphire are oxides of Copper Iron Tin Aluminium Copper Iron Tin Aluminium ANSWER DOWNLOAD EXAMIANS APP
Chemistry The purest form of water in nature is Sea water Rain water River water Lake water Sea water Rain water River water Lake water ANSWER DOWNLOAD EXAMIANS APP
Chemistry Cinnabar is an ore/mineral of Mercury Manganese Molybdenum Lead Mercury Manganese Molybdenum Lead ANSWER DOWNLOAD EXAMIANS APP
Chemistry The pair of compounds used as anaesthetic in medicines : Nitrogen dioxide, ether Nitrous oxide, Chloroform Ether, Ammonia Chloroform, Nitrogen dioxide Nitrogen dioxide, ether Nitrous oxide, Chloroform Ether, Ammonia Chloroform, Nitrogen dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Bayer's reagent is Hydrogen peroxide Alkaline potassium permanganate Bromine water Acidified potassium permanganate Hydrogen peroxide Alkaline potassium permanganate Bromine water Acidified potassium permanganate ANSWER DOWNLOAD EXAMIANS APP
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