Chemical Process Styrene (a monomer for the production of polystyrene) is commercially produced by Fermentation of starch Dehydration of ethyl alcohol followed by hydrogenation Reacting ethylene oxide with acetal-dehyde Catalytic dehydrogenation of ethyl benzene Fermentation of starch Dehydration of ethyl alcohol followed by hydrogenation Reacting ethylene oxide with acetal-dehyde Catalytic dehydrogenation of ethyl benzene ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Phenol formaldehyde Employs condensation polymerisation Is a monomer Is an abrasive material Employs addition polymerisation Employs condensation polymerisation Is a monomer Is an abrasive material Employs addition polymerisation ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Ceramics are produced from silicates or clayish materials: Which of the following is not a ceramic material? Porcelain/Potteries Teflon Slag cement Glasses Porcelain/Potteries Teflon Slag cement Glasses ANSWER DOWNLOAD EXAMIANS APP
Chemical Process The most popular and common detergent i.e., alkyl benzene sulfonate (ABS) is a/an __________ detergent. Semi polar Cationic Amphoteric Anionic Semi polar Cationic Amphoteric Anionic ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Ultimate analysis of coal determines its __________ content. Carbon, volatile matter, ash & moisture Carbon, sulphur, volatile matter & ash Carbon, hydrogen, nitrogen & sulphur Carbon, ash, sulphur & nitrogen Carbon, volatile matter, ash & moisture Carbon, sulphur, volatile matter & ash Carbon, hydrogen, nitrogen & sulphur Carbon, ash, sulphur & nitrogen ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Roasting of metallurgical ores is done mainly to Remove arsenic & sulphur Remove CO₂ & H₂O Sinter the ore Dehydrate it Remove arsenic & sulphur Remove CO₂ & H₂O Sinter the ore Dehydrate it ANSWER DOWNLOAD EXAMIANS APP
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