Chemistry The rusting of iron is a/an Electrical change Electrochemical change None of these Physical change Electrical change Electrochemical change None of these Physical change ANSWER DOWNLOAD EXAMIANS APP
Chemistry The polymer obtained by the condensation of hexamethylene diamine and adipic acid is : Terylene Bakelite Nylon 66 Tollen's Terylene Bakelite Nylon 66 Tollen's ANSWER DOWNLOAD EXAMIANS APP
Chemistry Iodex, a pain relief balm, has the smell of ________ . Butyl salicylate Ethyl salicylate Methyl salicylate Propyl salicylate Butyl salicylate Ethyl salicylate Methyl salicylate Propyl salicylate ANSWER DOWNLOAD EXAMIANS APP
Chemistry The process of removing calcium and magnesium from hard water is known as Flocculation Water softening Filtration Sedimentation Flocculation Water softening Filtration Sedimentation ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas used in the manufacture of vanaspati from vegetable oil is nitrogen hydrogen carbon dioxide oxygen nitrogen hydrogen carbon dioxide oxygen ANSWER DOWNLOAD EXAMIANS APP
Chemistry The manufacturing of iron from iron ore involves the process of Electrolysis Fractional distillation Reduction Oxidation Electrolysis Fractional distillation Reduction Oxidation ANSWER DOWNLOAD EXAMIANS APP
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