Impurities present in brine is normally removed by treatment with NH₃ and CO₂ Lime and soda ash All of these Lime, ammonia and carbon TRUE ANSWER : ? YOUR ANSWER : ?
Starting material for the commercial production of ethyl alcohol in India is Molasses Rice Maize Fruit of Mahua tree TRUE ANSWER : ? YOUR ANSWER : ?
Presence of sodium tripolyphosphate (an additive) in synthetic detergent None of these Inhibits its corrosive effects Facilitates its use even in hard water (by sequestering the water-hardening Ca & Mg ions) Does not allow redeposition of dirt on the cleaned surface TRUE ANSWER : ? YOUR ANSWER : ?
Conversion of SO₂ to SO₃ in Monsanto 4-pass converter is about __________ percent. 80 98 100 90 TRUE ANSWER : ? YOUR ANSWER : ?
Temporary hardness of water can be removed by Boiling Addition of alum (a coagulant) Addition of lime Filtration (through gravity sand filter) TRUE ANSWER : ? YOUR ANSWER : ?
Glycerine is not used in the Manufacture of explosive Conditioning and humidification of tobacco None of these Manufacture of pharmaceuticals TRUE ANSWER : ? YOUR ANSWER : ?
Trinitro-toluene (TNT) is None of these Used in glycerine manufacture Used in dye manufacture An explosive TRUE ANSWER : ? YOUR ANSWER : ?
Use of water having dissolved oxygen in boilers promotes None of these Corrosion Sequestration Scale formation TRUE ANSWER : ? YOUR ANSWER : ?