Chemical Process Polymerisation product of C₂F4 (carbon tetraflouride) is called P.T.F.E (poly chloro tetra flouro ethylene). It is also called Silicone Epoxy resin Polyurethane Teflon Silicone Epoxy resin Polyurethane Teflon ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Which of the following additives/water proofing agents is added to lower the hydrophilic (moisture loving) characteristic of cement? Xanthates Calcium & aluminium stearate Formic acid Stearic acid Xanthates Calcium & aluminium stearate Formic acid Stearic acid ANSWER DOWNLOAD EXAMIANS APP
Chemical Process BHC (Benzene hexachloride) is made by the chlorination of benzene Which is a substitution reaction Which is an addition reaction In absolute dark In presence of sunlight Which is a substitution reaction Which is an addition reaction In absolute dark In presence of sunlight ANSWER DOWNLOAD EXAMIANS APP
Chemical Process How much temperature is maintained during quicklime manufacture in the calcination zone of the vertical shaft kiln? 1000°C 1500°C 500°C 750°C 1000°C 1500°C 500°C 750°C ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Air used in aerobic fermentation must be sterilized, otherwise the Contamination of pure culture would result Recovery of product will be difficult None of these Uniformity of product cannot be achieved Contamination of pure culture would result Recovery of product will be difficult None of these Uniformity of product cannot be achieved ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Roasting of metallurgical ores is done mainly to Remove CO₂ & H₂O Sinter the ore Dehydrate it Remove arsenic & sulphur Remove CO₂ & H₂O Sinter the ore Dehydrate it Remove arsenic & sulphur ANSWER DOWNLOAD EXAMIANS APP
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