Chemical Process Out of the following processes of paper pulp manufacture, the maximum corrosion problem in digestion & handling equipments is encountered in the __________ process. Sulphite Mechanical Sulphate/kraft Neutral sulphite semi-chemical Sulphite Mechanical Sulphate/kraft Neutral sulphite semi-chemical ANSWER DOWNLOAD EXAMIANS APP
Chemical Process What products do we get on electrolysis of saturated brine using steel cathode and graphite anode in an electrolytic cell? Cl₂ & H₂ O₂ & H₂ Cl₂ & Na Cl₂, H₂ & NaOH solution Cl₂ & H₂ O₂ & H₂ Cl₂ & Na Cl₂, H₂ & NaOH solution 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 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 Remove lignin by way of crystallisation None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Use of water having dissolved oxygen in boilers promotes Scale formation Corrosion None of these Sequestration Scale formation Corrosion None of these Sequestration ANSWER DOWNLOAD EXAMIANS APP
Chemical Process In the manufacture of sulphuric acid from elemental sulphur, the following sequence of major operations is followed : Furnace → converter → absorber Furnace → converter → evaporator Converter → furnace → absorber Furnace → evaporator → absorber Furnace → converter → absorber Furnace → converter → evaporator Converter → furnace → absorber Furnace → evaporator → absorber ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Which of the following is a detergent? Benzene hexachloride Cellulose nitrate Polytetraflouroethylene Alkyl benzene sulphonate Benzene hexachloride Cellulose nitrate Polytetraflouroethylene Alkyl benzene sulphonate ANSWER DOWNLOAD EXAMIANS APP
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