Chemical Process High purity nitrogen is used in Both A & B Neither A nor B Fire fighting purposes Making protective gas (95% N₂ + 5% H₂) for annealing of cold rolled steel strip coils Both A & B Neither A nor B Fire fighting purposes Making protective gas (95% N₂ + 5% H₂) for annealing of cold rolled steel strip coils ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Trinitrotoluene (TNT), an explosive, is made by the nitration of Benzene Toluene Nitrotoluene Nitrobenzene Benzene Toluene Nitrotoluene Nitrobenzene ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Boiling of water containing temporary hardness produces CO₂ None of these CaSO₄ CaHCO₃ CO₂ None of these CaSO₄ CaHCO₃ ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Starting material for the commercial production of ethyl alcohol in India is Fruit of Mahua tree Maize Molasses Rice Fruit of Mahua tree Maize Molasses Rice ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Cation exchanger is regenerated usually with H₂SO₄ Hydrazine NaOH Alum solution H₂SO₄ Hydrazine NaOH Alum solution 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 Still in development stage (by employing fluidised bed technique) All of these A discontinuous reaction (requiring regeneration of iron by water gas intermittently) A slow reaction Still in development stage (by employing fluidised bed technique) All of these A discontinuous reaction (requiring regeneration of iron by water gas intermittently) ANSWER DOWNLOAD EXAMIANS APP
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