Chemical Process Hydrazine is largely used In photographic industry As rocket fuel In printing industry As a starting material for 'hypo' In photographic industry As rocket fuel In printing industry As a starting material for 'hypo' 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 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 A slow reaction ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Viscose rayon None of these Utilises H₂SO₄, NaOH and CS₂ during its manufacture Cannot be made from sulphite pulp Cannot yield textile grade fibre None of these Utilises H₂SO₄, NaOH and CS₂ during its manufacture Cannot be made from sulphite pulp Cannot yield textile grade fibre ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Very dilute solutions are generally used in fermentation reactions for which the optimum temperature range is __________ °C. 75 to 80 -5 to 0 30 to 50 5 to 10 75 to 80 -5 to 0 30 to 50 5 to 10 ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Which of the following is an endothermic reaction? Both B and C C + H₂O = CO + H₂ Thermal dissociation of iron pyrites Absorption of SO₃ in 98% H₂SO₄ Both B and C C + H₂O = CO + H₂ Thermal dissociation of iron pyrites Absorption of SO₃ in 98% H₂SO₄ ANSWER DOWNLOAD EXAMIANS APP
Chemical Process The most reactive allotropic form of phosphorus is __________ phosphorus. Violet Black Red Yellow Violet Black Red Yellow ANSWER DOWNLOAD EXAMIANS APP
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