Chemical Process The combustion reaction, C + O₂ = CO₂, is Exothermic None of these Autocatalytic Endothermic Exothermic None of these Autocatalytic Endothermic ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Which of the following is an endothermic reaction? Thermal dissociation of iron pyrites Both B and C C + H₂O = CO + H₂ Absorption of SO₃ in 98% H₂SO₄ Thermal dissociation of iron pyrites Both B and C C + H₂O = CO + H₂ Absorption of SO₃ in 98% H₂SO₄ ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Which of the following is used as a binding material in soap to improve soap texture? Sodium carbonate Benzyl acetate Borax Rosin Sodium carbonate Benzyl acetate Borax Rosin ANSWER DOWNLOAD EXAMIANS APP
Chemical Process The compressive strength of cement should not be less than about 110Kg/cm² after three days & not less than 170Kg/cm² after seven days. The fineness of an ordinary cement as determined by turbidimetric method should be about __________ cm²/gm. 800 4000 8500 1600 800 4000 8500 1600 ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Which of the following processes is absent in glass manufacturing process? Melting Annealing Shaping or forming Sintering Melting Annealing Shaping or forming Sintering 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 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) All of these ANSWER DOWNLOAD EXAMIANS APP
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