Chemical Process Which of the following is not responsible for causing permanent hardness of water? Ca(HCO₃)₂ MgCl₂ None of these CaCl₂ Ca(HCO₃)₂ MgCl₂ None of these CaCl₂ 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 Still in development stage (by employing fluidised bed technique) A discontinuous reaction (requiring regeneration of iron by water gas intermittently) All of these A slow reaction Still in development stage (by employing fluidised bed technique) A discontinuous reaction (requiring regeneration of iron by water gas intermittently) All of these A slow reaction ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Liquor poisoning generally occurs due to the presence of __________ in it. Carbonic acid Ethyl alcohol Impurities Methyl alcohol Carbonic acid Ethyl alcohol Impurities Methyl alcohol ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Nylon-6 is a Polyamide None of these Polyester Thermosetting resin Polyamide None of these Polyester Thermosetting resin ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Which is the main reducing agent during production of iron from iron ore in a blast furnace? C CO₂ H₂ CO C CO₂ H₂ CO ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Pick out the true statement pertaining to water treatment. Normally, the turbidity is removed by adding a coagulent prior to sedimentation Application of activated carbon reduces the temporary hardness of water Slow sand filters can remove colour completely Activated carbon can be used for taste & odour control without subsequent filtration Normally, the turbidity is removed by adding a coagulent prior to sedimentation Application of activated carbon reduces the temporary hardness of water Slow sand filters can remove colour completely Activated carbon can be used for taste & odour control without subsequent filtration ANSWER DOWNLOAD EXAMIANS APP
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