Chemical Process Styrene (a monomer for the production of polystyrene) is commercially produced by Dehydration of ethyl alcohol followed by hydrogenation Reacting ethylene oxide with acetal-dehyde Fermentation of starch Catalytic dehydrogenation of ethyl benzene Dehydration of ethyl alcohol followed by hydrogenation Reacting ethylene oxide with acetal-dehyde Fermentation of starch Catalytic dehydrogenation of ethyl benzene ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Which of the following processes is absent in glass manufacturing process? Shaping or forming Sintering Melting Annealing Shaping or forming Sintering Melting Annealing ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Average sulphur content in Indian pyrites is about __________ percent. 35 15 55 70 35 15 55 70 ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Parathion and Malathion are Pesticides Tranquilisers Pain-relieving drugs (analgesic) Plasticisers for unsaturated polysters Pesticides Tranquilisers Pain-relieving drugs (analgesic) Plasticisers for unsaturated polysters ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Salt is added in the kettle during soap manufacture to separate Soap from lye Glycerine from lye The metallic soap The unsaponified fat from soap Soap from lye Glycerine from lye The metallic soap The unsaponified fat from soap ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Margarine is a/an Rocket propellant Fat Plasticiser Explosive Rocket propellant Fat Plasticiser Explosive ANSWER DOWNLOAD EXAMIANS APP
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