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 slow reaction A discontinuous reaction (requiring regeneration of iron by water gas intermittently) Still in development stage (by employing fluidised bed technique) All of these A slow reaction A discontinuous reaction (requiring regeneration of iron by water gas intermittently) Still in development stage (by employing fluidised bed technique) ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Transportation of 35% oleum during winter suffers from the problem of freezing, which can be overcome by the addition of small quantity of Hydrochloric acid Formic acid Nitric acid Methyl alcohol Hydrochloric acid Formic acid Nitric acid Methyl alcohol ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Oleum produces fumes of SO₃ SO₂ SO₂ + H₂SO₄ H₂SO₄ SO₃ SO₂ SO₂ + H₂SO₄ H₂SO₄ ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Dichloro diphenyl __________ is the full form of DDT (an insecticide). Trichloromethane Trichloroethane Tetrachloroethane Tetrachloromethane Trichloromethane Trichloroethane Tetrachloroethane Tetrachloromethane ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Production of one ton of cement requires about __________ tons of limestone. 0.6 1.2 2.2 3.8 0.6 1.2 2.2 3.8 ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Direct conversion of chemical energy into electrical energy is done in a Fuel cell Fast breeder reactor None of these Magnetohydrodynamic (MHD) generator Fuel cell Fast breeder reactor None of these Magnetohydrodynamic (MHD) generator ANSWER DOWNLOAD EXAMIANS APP
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