Chemical Process The combustion reaction, C + O₂ = CO₂, is Exothermic Endothermic None of these Autocatalytic Exothermic Endothermic None of these Autocatalytic ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Presence of sodium tripolyphosphate (an additive) in synthetic detergent Facilitates its use even in hard water (by sequestering the water-hardening Ca & Mg ions) None of these Does not allow redeposition of dirt on the cleaned surface Inhibits its corrosive effects Facilitates its use even in hard water (by sequestering the water-hardening Ca & Mg ions) None of these Does not allow redeposition of dirt on the cleaned surface Inhibits its corrosive effects ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Proximate analysis of coal determines its __________ content. Moisture, sulphur, nitrogen & fixed carbon Moisture & volatile matter Moisture, ash, sulphur & volatile matter None of these Moisture, sulphur, nitrogen & fixed carbon Moisture & volatile matter Moisture, ash, sulphur & volatile matter None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Plaster of Paris is Same as gypsum CaSO₄.½H₂O Used for setting of broken bones Both A and B Same as gypsum CaSO₄.½H₂O Used for setting of broken bones Both A and B ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Purity of oxygen used for blowing in steel making L.D. converter is 99.5%. The boiling point of oxygen is about __________ °C. -183 -53 -103 -196 -183 -53 -103 -196 ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Styrene (a monomer for the production of polystyrene) is commercially produced by Reacting ethylene oxide with acetal-dehyde Catalytic dehydrogenation of ethyl benzene Dehydration of ethyl alcohol followed by hydrogenation Fermentation of starch Reacting ethylene oxide with acetal-dehyde Catalytic dehydrogenation of ethyl benzene Dehydration of ethyl alcohol followed by hydrogenation Fermentation of starch ANSWER DOWNLOAD EXAMIANS APP
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