Chemical Process Deaeration of water in its treatment is necessary, as it Minimises its turbidity Minimises its corrosiveness Helps in controlling its taste and odour None of these Minimises its turbidity Minimises its corrosiveness Helps in controlling its taste and odour None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Which of the following is an endothermic reaction? C + H₂O = CO + H₂ Absorption of SO₃ in 98% H₂SO₄ Both B and C Thermal dissociation of iron pyrites C + H₂O = CO + H₂ Absorption of SO₃ in 98% H₂SO₄ Both B and C Thermal dissociation of iron pyrites ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Ethyl alcohol cannot be produced By esterification and hydroloysis of ethylene From molasses None of these From waste sulphite substrate of paper mills By esterification and hydroloysis of ethylene From molasses None of these From waste sulphite substrate of paper mills ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Alcohol content in freshly prepared natural and fortified wine may be respectively around __________ percent. 7-14 and 40-50 10 - 20 and 40 - 50 7-14 and 14-30 14 - 30 and 40-50 7-14 and 40-50 10 - 20 and 40 - 50 7-14 and 14-30 14 - 30 and 40-50 ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Use of hydrated lime in water treatment Is to adjust the pH value After filtration, combats the corrosive-ness of water due to the presence of O₂ & CO₂ Before filtration, reduces the bacterial load on filters All of these Is to adjust the pH value After filtration, combats the corrosive-ness of water due to the presence of O₂ & CO₂ Before filtration, reduces the bacterial load on filters All of these 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 slow reaction A discontinuous reaction (requiring regeneration of iron by water gas intermittently) All of these Still in development stage (by employing fluidised bed technique) A slow reaction A discontinuous reaction (requiring regeneration of iron by water gas intermittently) All of these Still in development stage (by employing fluidised bed technique) ANSWER DOWNLOAD EXAMIANS APP
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