Chemical Process Dry ice (solidified CO₂) is used for the Storage & shipment of frozen foods and ice-creams Liquefaction of natural gas Liquefaction of permanent gases None of these Storage & shipment of frozen foods and ice-creams Liquefaction of natural gas Liquefaction of permanent gases None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Separation of fresh water from sea water can be done by the __________ operation. Reverse osmosis Absorption Adsorption Osmosis Reverse osmosis Absorption Adsorption Osmosis ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Plaster of Paris is CaSO₄.½H₂O Same as gypsum Both A and B Used for setting of broken bones CaSO₄.½H₂O Same as gypsum Both A and B Used for setting of broken bones ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Detergent is produced by the sulphonation of dodecyl benzene, which is an __________ reaction. Irreversible Endothermic Exothermic Both B and C Irreversible Endothermic Exothermic Both B and C ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Chalcopyrite is the main ore of Iron Copper Lead Tin Iron Copper Lead Tin ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Removal of dirt/soil by soaps or detergent does not involve the __________ of soil. Precipitation Emulsification Wetting Dispersion Precipitation Emulsification Wetting Dispersion ANSWER DOWNLOAD EXAMIANS APP
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