Chemical Process Which of the following is the purest form of water out of the following ? Lake water Rain water Underground water Well water Lake water Rain water Underground water Well water ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Digestion of wood-base materials (for manufacture of pulp) is done to Produce long fibres Remove lignin None of these Prevent deterioration on storage Produce long fibres Remove lignin None of these Prevent deterioration on storage ANSWER DOWNLOAD EXAMIANS APP
Chemical Process 90% of the caprolactum is converted to nylon-6 on its condensation polymerisation in the reactor maintained at __________ °C. 44134 500-600 250-280 44134 500-600 250-280 ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Reverse osmosis is normally used for the Desalination of brackish water to produce potable (drinking) water Purification of oxygen Separation of isotopes of uranium from gaseous uranium hexaflouride Separation of helium from natural gas Desalination of brackish water to produce potable (drinking) water Purification of oxygen Separation of isotopes of uranium from gaseous uranium hexaflouride Separation of helium from natural gas 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) A slow reaction All of these Still in development stage (by employing fluidised bed technique) A discontinuous reaction (requiring regeneration of iron by water gas intermittently) A slow reaction All of these Still in development stage (by employing fluidised bed technique) ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Use of chlorine in the treatment of sewage Aids in flocculation Causes bulking of activated sludge Increases the biological oxygen demand(BOD) Helps in grease separation Aids in flocculation Causes bulking of activated sludge Increases the biological oxygen demand(BOD) Helps in grease separation ANSWER DOWNLOAD EXAMIANS APP
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