Chemical Process Exothermic condensation reaction of monochlorobenzene with chloral in presence of 20% oleum as catalyst produces DDT. The reaction temperature is maintained at __________ °C. 15-30 90-100 250-300 15-30 90-100 250-300 ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Low purity oxygen is used for Medicinal purposes Cutting and welding of metals L.D. steel making Chemical oxidation processes Medicinal purposes Cutting and welding of metals L.D. steel making Chemical oxidation processes ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Which of the following impurities in feed water for high pressure boiler is the most detrimental? Dissolved salt Silica Suspended salt Dissolved oxygen Dissolved salt Silica Suspended salt Dissolved oxygen ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Presence of sodium tripolyphosphate (an additive) in synthetic detergent 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 Facilitates its use even in hard water (by sequestering the water-hardening Ca & Mg ions) ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Builders are added in soap to act as Fabric brightener Cleaning power booster Anti-redeposition agent Corrosion inhibitor Fabric brightener Cleaning power booster Anti-redeposition agent Corrosion inhibitor ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Yellow phosphorus is transported under Helium Water Air Nitrogen Helium Water Air Nitrogen ANSWER DOWNLOAD EXAMIANS APP
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