Chemical Process Lime and soda ash are added to water to remove Undersirable taste and odour Bicarbonates & sulphates of calcium and magnesium Bacteria Its corrosiveness Undersirable taste and odour Bicarbonates & sulphates of calcium and magnesium Bacteria Its corrosiveness ANSWER DOWNLOAD EXAMIANS APP
Chemical Process CO & H₂ are the constituents of All of these Coke oven gas Producer gas Water gas All of these Coke oven gas Producer gas Water 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 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) A discontinuous reaction (requiring regeneration of iron by water gas intermittently) A slow reaction ANSWER DOWNLOAD EXAMIANS APP
Chemical Process __________ is the major constituent of the Portland cement. Tricalcium silicate Calcium carbonate Calcium sulphate Calcium oxide Tricalcium silicate Calcium carbonate Calcium sulphate Calcium oxide ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Liquefaction of gases can not be done by Exchange of heat with colder stream Adiabatic expansion against a piston or in a turbine Merely compressing it beyond critical pressure Adiabatic expansion through a throttle valve (Joule-Thomson expansion) Exchange of heat with colder stream Adiabatic expansion against a piston or in a turbine Merely compressing it beyond critical pressure Adiabatic expansion through a throttle valve (Joule-Thomson expansion) ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Prussian blue is chemically represented by AlF₃ . 3NaF Ca SO₄ . 2H₂O FeO.TiO₂ Fe₄ [Fe (CN₆)₃] AlF₃ . 3NaF Ca SO₄ . 2H₂O FeO.TiO₂ Fe₄ [Fe (CN₆)₃] ANSWER DOWNLOAD EXAMIANS APP
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