Chemical Process Which of the following impurities in feed water for high pressure boiler is the most detrimental? Silica Dissolved oxygen Suspended salt Dissolved salt Silica Dissolved oxygen Suspended salt Dissolved salt ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Boiling of water containing temporary hardness produces CO₂ CaHCO₃ CaSO₄ None of these CO₂ CaHCO₃ CaSO₄ None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Which of the following is an additional step in the manufacture of paper from bagasse as compared to that from bamboo? Bleaching Depithing None of these Digestion Bleaching Depithing None of these Digestion 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 Stearic acid Calcium & aluminium stearate Formic acid Xanthates Stearic acid Calcium & aluminium stearate Formic acid ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Esterification reaction Is reversible All of these Produces soap Is a reaction between an alcohol and an organic acid Is reversible All of these Produces soap Is a reaction between an alcohol and an organic acid ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Polyvinyl chloride (PVC) is Made by employing emulsion polymerisation A thermosetting material A condensation polymerisation product None of these Made by employing emulsion polymerisation A thermosetting material A condensation polymerisation product None of these ANSWER DOWNLOAD EXAMIANS APP
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