Chemical Process Ethyl alcohol cannot be produced From molasses By esterification and hydroloysis of ethylene From waste sulphite substrate of paper mills None of these From molasses By esterification and hydroloysis of ethylene From waste sulphite substrate of paper mills None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Cation exchanger is regenerated usually with H₂SO₄ Alum solution Hydrazine NaOH H₂SO₄ Alum solution Hydrazine NaOH ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Flexible foam (for mattresses) is usually made of PVC Polyurethanes Polyamides Silicone PVC Polyurethanes Polyamides Silicone ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Digestion of wood-base materials (for manufacture of pulp) is done to Remove lignin Produce long fibres Prevent deterioration on storage None of these Remove lignin Produce long fibres Prevent deterioration on storage None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Process The function of gypsum addition during cement making is to Both A and B Decrease the cement setting rate Increase the density of cement Neither A nor B Both A and B Decrease the cement setting rate Increase the density of cement Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Styrene (a monomer for the production of polystyrene) is commercially produced by 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 Dehydration of ethyl alcohol followed by hydrogenation Reacting ethylene oxide with acetal-dehyde Fermentation of starch ANSWER DOWNLOAD EXAMIANS APP
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