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 A discontinuous reaction (requiring regeneration of iron by water gas intermittently) Still in development stage (by employing fluidised bed technique) A slow reaction All of these A discontinuous reaction (requiring regeneration of iron by water gas intermittently) Still in development stage (by employing fluidised bed technique) A slow reaction ANSWER DOWNLOAD EXAMIANS APP
Chemical Process The purpose of tanning in leather industry is to Impart water resistance Stiffen the leather Make it flexible Smoothen the leather Impart water resistance Stiffen the leather Make it flexible Smoothen the leather ANSWER DOWNLOAD EXAMIANS APP
Chemical Process The most reactive allotropic form of phosphorus is __________ phosphorus. Violet Black Red Yellow Violet Black Red Yellow ANSWER DOWNLOAD EXAMIANS APP
Chemical Process The main use of HCl is in the None of these Drilling of petroleum wells and pickling of steel sheets Treatment of spent fuel of nuclear reactor Manufacture of cationic detergent None of these Drilling of petroleum wells and pickling of steel sheets Treatment of spent fuel of nuclear reactor Manufacture of cationic detergent ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Prussian blue is chemically represented by Ca SO₄ . 2H₂O FeO.TiO₂ AlF₃ . 3NaF Fe₄ [Fe (CN₆)₃] Ca SO₄ . 2H₂O FeO.TiO₂ AlF₃ . 3NaF Fe₄ [Fe (CN₆)₃] ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Fluorescent dyes are added in detergents to None of these Act as tarnish inhibitor for metals like German silver Attain distinctiveness from other brands Act as fabric brightener (by converting ultraviolet light to visible light) thereby improving the whiteness appearance of white fabrics None of these Act as tarnish inhibitor for metals like German silver Attain distinctiveness from other brands Act as fabric brightener (by converting ultraviolet light to visible light) thereby improving the whiteness appearance of white fabrics ANSWER DOWNLOAD EXAMIANS APP
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