Chemical Process Commercial scale production of hydrogen from iron-steam reaction represented by, 3Fe + 3H₂O = Fe₃O₄ + 4H₂, is not practised, as it is 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 All of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Hydrolysis of sugar is called Inversion None of these Hydration Esterification Inversion None of these Hydration Esterification ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Which of the following is a constituent of coffee? Nicotine Calgon Lignin Caffeine Nicotine Calgon Lignin Caffeine ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Refractory bricks burnt at very high temperature have got None of these Greater resistance to corrosion by slags High spalling tendency Less resistance to corrosion by slags None of these Greater resistance to corrosion by slags High spalling tendency Less resistance to corrosion by slags ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Sulphuric acid saturated with SO₃ is called Oleum None of these Concentrated H₂SO₄ Sulphurous acid Oleum None of these Concentrated H₂SO₄ Sulphurous acid ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Drinking (potable) water treatment does not involve Coagulation Sedimentation Softening Disinfection Coagulation Sedimentation Softening Disinfection ANSWER DOWNLOAD EXAMIANS APP