Chemistry Gobar gas mainly contains Carbon dioxide Carbon monoxide Hydrogen sulphide Methane Carbon dioxide Carbon monoxide Hydrogen sulphide Methane ANSWER DOWNLOAD EXAMIANS APP
Chemistry The purest form of water in nature is Lake water River water Rain water Sea water Lake water River water Rain water Sea water ANSWER DOWNLOAD EXAMIANS APP
Chemistry The polymer obtained by the condensation of hexamethylene diamine and adipic acid is : Terylene Nylon 66 Bakelite Tollen's Terylene Nylon 66 Bakelite Tollen's ANSWER DOWNLOAD EXAMIANS APP
Chemistry Browning of paper in old books is caused by Frequent use Collection of dust Lack of aeration Oxidation of cellulose Frequent use Collection of dust Lack of aeration Oxidation of cellulose ANSWER DOWNLOAD EXAMIANS APP
Chemistry The lightest gas which is non-inflammable is Oxygen Helium Hydrogen Nitrogen Oxygen Helium Hydrogen Nitrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Urea is a Phosphatic fertilizer Sodium fertilizer Nitrogenous fertilizer Potassium fertilizer Phosphatic fertilizer Sodium fertilizer Nitrogenous fertilizer Potassium fertilizer ANSWER DOWNLOAD EXAMIANS APP
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