Chemical Process Roasting of metallurgical ores is done mainly to Remove CO₂ & H₂O Remove arsenic & sulphur Dehydrate it Sinter the ore Remove CO₂ & H₂O Remove arsenic & sulphur Dehydrate it Sinter the ore ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Polymethyl methacrylate (PMMA) is known as Nylon-6 Teflon Perspex Bakelite Nylon-6 Teflon Perspex Bakelite ANSWER DOWNLOAD EXAMIANS APP
Chemical Process The main aim behind cooling the digested chip at the bottom portion of the digestor by injecting cold black liquor is to Remove lignin by way of crystallisation None of these Increase the cellulose content Avoid mechanical weakening of fibre Remove lignin by way of crystallisation None of these Increase the cellulose content Avoid mechanical weakening of fibre ANSWER DOWNLOAD EXAMIANS APP
Chemical Process One of the steps during refining of cane sugar consists of addition of hydrated lime to the sugar syrup followed by carbonation of the resulting solution. The purpose of this step is to Improve the rate of crystallisation of sugar Adjust the pH of the syrup Reduce the viscosity of the syrup Remove the coloring matter from the syrup Improve the rate of crystallisation of sugar Adjust the pH of the syrup Reduce the viscosity of the syrup Remove the coloring matter from the syrup ANSWER DOWNLOAD EXAMIANS APP
Chemical Process The yield of tar from high temperature carbonisation of dry coal is about __________ percent. 0.3 3 12 22 0.3 3 12 22 ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Permanent hardness of water is due to the presence of calcium & magnesium Bi-carbonates None of these Carbonate Sulphates & chlorides Bi-carbonates None of these Carbonate Sulphates & chlorides ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS