Chemical Process Ethyl alcohol cannot be produced From waste sulphite substrate of paper mills From molasses None of these By esterification and hydroloysis of ethylene From waste sulphite substrate of paper mills From molasses None of these By esterification and hydroloysis of ethylene ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Proximate analysis of coal determines its __________ content. Moisture, sulphur, nitrogen & fixed carbon Moisture & volatile matter None of these Moisture, ash, sulphur & volatile matter Moisture, sulphur, nitrogen & fixed carbon Moisture & volatile matter None of these Moisture, ash, sulphur & volatile matter ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Commercial production of calcium carbide requires limestone and __________ as raw materials. Sand Coke Soda ash Fuel oil Sand Coke Soda ash Fuel oil ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Presence of carbonaceous matter in the sewage All of these Causes reduction in its dissolved oxygen content thereby endangering the life of aquatic creatures Increases the quantity of chlorine used for its purification Reduces sulphate ions to sulphides causing obnoxious smell All of these Causes reduction in its dissolved oxygen content thereby endangering the life of aquatic creatures Increases the quantity of chlorine used for its purification Reduces sulphate ions to sulphides causing obnoxious smell ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Oxygen is separated by distillation from air after its liquefaction. The boiling point of oxygen is about __________ °C. -183 -218 -196 -83 -183 -218 -196 -83 ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Thorium is mainly used For the manufacture of gas mantles As a fissile fuel in a nuclear reactor In the treatment of cancer In the manufacture of hydrogen bomb For the manufacture of gas mantles As a fissile fuel in a nuclear reactor In the treatment of cancer In the manufacture of hydrogen bomb ANSWER DOWNLOAD EXAMIANS APP