Chemical Process Pick out the exothermic reaction out of the following: CaC₂ + H₂O = Ca(OH)₂ + C₂H₂ C + H₂O = CO + H₂ MgCO₃ = MgO + CO₂ All of these CaC₂ + H₂O = Ca(OH)₂ + C₂H₂ C + H₂O = CO + H₂ MgCO₃ = MgO + CO₂ All of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Ultimate analysis of coal determines its __________ content. Carbon, sulphur, volatile matter & ash Carbon, volatile matter, ash & moisture Carbon, hydrogen, nitrogen & sulphur Carbon, ash, sulphur & nitrogen Carbon, sulphur, volatile matter & ash Carbon, volatile matter, ash & moisture Carbon, hydrogen, nitrogen & sulphur Carbon, ash, sulphur & nitrogen ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Phenol is mainly used To produce polyester resin To produce phenol formaldehyde To produce benzene As a plasticiser for unsaturated polyster To produce polyester resin To produce phenol formaldehyde To produce benzene As a plasticiser for unsaturated polyster ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Mercury cells for caustic soda manufacture, compared to diaphragm cells None of these Require lower initial investment Produce lower concentration NaOH Require more power None of these Require lower initial investment Produce lower concentration NaOH Require more power ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Starting raw material for the manufacture of alum is Gypsum Bauxite Ammonium bicarbonate Alumina Gypsum Bauxite Ammonium bicarbonate Alumina ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Sulphur removal by heating of pyrite ore in presence of air is called its Roasting Smelting Reduction Calcination Roasting Smelting Reduction Calcination ANSWER DOWNLOAD EXAMIANS APP
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