Chemical Process The main aim behind cooling the digested chip at the bottom portion of the digestor by injecting cold black liquor is to Avoid mechanical weakening of fibre None of these Remove lignin by way of crystallisation Increase the cellulose content Avoid mechanical weakening of fibre None of these Remove lignin by way of crystallisation Increase the cellulose content ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Main constituents of natural rubber is Polychloroprene Polyisoprene Polystyrene Polybutadiene Polychloroprene Polyisoprene Polystyrene Polybutadiene ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Metallic soap (e.g. aluminium or calcium salts of fatty acids) can be used As a foam depressant in distillation column As a rust preventive As a lubricant In hard water for cleaning of cloth As a foam depressant in distillation column As a rust preventive As a lubricant In hard water for cleaning of cloth ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Ore concentration by froth floatation utilises the __________ of ore particles. Terminal velocities Wetting characteristics None of these Density difference Terminal velocities Wetting characteristics None of these Density difference ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Na₂CO₃ is called Plaster of paris Calcite Washing soda Soda ash Plaster of paris Calcite Washing soda Soda ash ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Commercial scale production of hydrogen from iron-steam reaction represented by, 3Fe + 3H₂O = Fe₃O₄ + 4H₂, is not practised, as it is A discontinuous reaction (requiring regeneration of iron by water gas intermittently) All of these A slow reaction Still in development stage (by employing fluidised bed technique) A discontinuous reaction (requiring regeneration of iron by water gas intermittently) All of these A slow reaction Still in development stage (by employing fluidised bed technique) ANSWER DOWNLOAD EXAMIANS APP
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