Chemical Process How much temperature is maintained during quicklime manufacture in the calcination zone of the vertical shaft kiln? 1500°C 750°C 1000°C 500°C 1500°C 750°C 1000°C 500°C ANSWER DOWNLOAD EXAMIANS APP
Chemical Process __________ is an ore concentrating metallurgical process involving a chemical change. None of these Roasting Froth floatation Electromagnetic separation None of these Roasting Froth floatation Electromagnetic separation ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Alcohol content in freshly prepared natural and fortified wine may be respectively around __________ percent. 14 - 30 and 40-50 7-14 and 40-50 7-14 and 14-30 10 - 20 and 40 - 50 14 - 30 and 40-50 7-14 and 40-50 7-14 and 14-30 10 - 20 and 40 - 50 ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Reaction of calcium carbide with water produces a gas, which is used As an illuminant Both A & B For metal cutting/welding Neither A nor B As an illuminant Both A & B For metal cutting/welding Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Use of hydrated lime in water treatment After filtration, combats the corrosive-ness of water due to the presence of O₂ & CO₂ All of these Before filtration, reduces the bacterial load on filters Is to adjust the pH value After filtration, combats the corrosive-ness of water due to the presence of O₂ & CO₂ All of these Before filtration, reduces the bacterial load on filters Is to adjust the pH value ANSWER DOWNLOAD EXAMIANS APP
Chemical Process RDX (an explosive), which is more sensitive but less toxic than TNT, is chemically Trinitro resorcinol Cyclo tetramethylene tetranitramine Trinitro benzene Cyclo trimethylene trinitramine Trinitro resorcinol Cyclo tetramethylene tetranitramine Trinitro benzene Cyclo trimethylene trinitramine ANSWER DOWNLOAD EXAMIANS APP
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